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31200312401342 = 2718164319148791
BaseRepresentation
bin1110001100000011000111…
…00010011001110110111110
311002110201110102020111112122
413012001203202121312332
513042141214433320332
6150205120423402542
76400101553432310
oct706014342316676
9132421412214478
1031200312401342
119a39a83a61977
1235ba9b55b3452
13145423b677606
1479c1631957b0
153918d2122c12
hex1c6063899dbe

31200312401342 has 32 divisors (see below), whose sum is σ = 53865398705664. Its totient is φ = 13277005034400.

The previous prime is 31200312401333. The next prime is 31200312401353. The reversal of 31200312401342 is 24310421300213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7945034 + ... + 11203757.

It is an arithmetic number, because the mean of its divisors is an integer number (1683293709552).

Almost surely, 231200312401342 is an apocalyptic number.

31200312401342 is a deficient number, since it is larger than the sum of its proper divisors (22665086304322).

31200312401342 is a wasteful number, since it uses less digits than its factorization.

31200312401342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19149624.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31200312401342 its reverse (24310421300213), we get a palindrome (55510733701555).

The spelling of 31200312401342 in words is "thirty-one trillion, two hundred billion, three hundred twelve million, four hundred one thousand, three hundred forty-two".

Divisors: 1 2 7 14 181 362 643 1267 1286 2534 4501 9002 116383 232766 814681 1629362 19148791 38297582 134041537 268083074 3465931171 6931862342 12312672613 24261518197 24625345226 48523036394 86188708291 172377416582 2228593742953 4457187485906 15600156200671 31200312401342