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31031002201112 = 2323285159153543
BaseRepresentation
bin1110000111000111101111…
…10111001111110000011000
311001212112102220020011210222
413003203313313033300120
513031402443030413422
6145555240130255212
76351626106453224
oct703436767176030
9131775386204728
1031031002201112
1199841a0847561
123592023a27508
1314412985cab94
14793ca0d9d784
1538c2c3132842
hex1c38f7dcfc18

31031002201112 has 32 divisors (see below), whose sum is σ = 60734126695680. Its totient is φ = 14835708333600.

The previous prime is 31031002201081. The next prime is 31031002201127. The reversal of 31031002201112 is 21110220013013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29052188 + ... + 30101355.

It is an arithmetic number, because the mean of its divisors is an integer number (1897941459240).

Almost surely, 231031002201112 is an apocalyptic number.

It is an amenable number.

31031002201112 is a deficient number, since it is larger than the sum of its proper divisors (29703124494568).

31031002201112 is a wasteful number, since it uses less digits than its factorization.

31031002201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59156423 (or 59156419 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31031002201112 its reverse (21110220013013), we get a palindrome (52141222214125).

The spelling of 31031002201112 in words is "thirty-one trillion, thirty-one billion, two million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 2851 5702 11404 22808 65573 131146 262292 524584 59153543 118307086 236614172 473228344 1360531489 2721062978 5442125956 10884251912 168646751093 337293502186 674587004372 1349174008744 3878875275139 7757750550278 15515501100556 31031002201112