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31203211114104 = 23317691110677943
BaseRepresentation
bin1110001100001000100000…
…10100000111011001111000
311002110222221102200100220120
413012010100110013121320
513042213134021122404
6150210320213053240
76400233442202031
oct706042024073170
9132428842610816
1031203211114104
119a40231231757
1235bb484327220
1314545b1087473
1479c35a153a88
15391a0185a9d9
hex1c6110507678

31203211114104 has 64 divisors (see below), whose sum is σ = 82716268227840. Its totient is φ = 9775075837440.

The previous prime is 31203211114069. The next prime is 31203211114109. The reversal of 31203211114104 is 40141111230213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203211114109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55057044 + ... + 55620899.

It is an arithmetic number, because the mean of its divisors is an integer number (1292441691060).

Almost surely, 231203211114104 is an apocalyptic number.

31203211114104 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31203211114104 is an abundant number, since it is smaller than the sum of its proper divisors (51513057113736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31203211114104 is a wasteful number, since it uses less digits than its factorization.

31203211114104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110678660 (or 110678656 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 31203211114104 its reverse (40141111230213), we get a palindrome (71344322344317).

The spelling of 31203211114104 in words is "thirty-one trillion, two hundred three billion, two hundred eleven million, one hundred fourteen thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 691 1382 2073 2764 4146 5528 8292 11747 16584 23494 35241 46988 70482 93976 140964 281928 110677943 221355886 332033829 442711772 664067658 885423544 1328135316 1881525031 2656270632 3763050062 5644575093 7526100124 11289150186 15052200248 22578300372 45156600744 76478458613 152956917226 229435375839 305913834452 458870751678 611827668904 917741503356 1300133796421 1835483006712 2600267592842 3900401389263 5200535185684 7800802778526 10401070371368 15601605557052 31203211114104