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31612334501 = 11191307115727
BaseRepresentation
bin11101011100001111…
…011111000110100101
310000121010011222111202
4131130033133012211
51004220224201001
622304510012245
72166245260346
oct353417370645
9100533158452
1031612334501
111245237a890
126162aa7085
132c9a429197
14175c6300cd
15c5046296b
hex75c3df1a5

31612334501 has 16 divisors (see below), whose sum is σ = 36329333760. Its totient is φ = 27204868080.

The previous prime is 31612334483. The next prime is 31612334623. The reversal of 31612334501 is 10543321613.

It is a cyclic number.

It is not a de Polignac number, because 31612334501 - 234 = 14432465317 is a prime.

It is a super-2 number, since 2×316123345012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31612334401) 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, 215300 + ... + 331026.

It is an arithmetic number, because the mean of its divisors is an integer number (2270583360).

Almost surely, 231612334501 is an apocalyptic number.

It is an amenable number.

31612334501 is a deficient number, since it is larger than the sum of its proper divisors (4716999259).

31612334501 is a wasteful number, since it uses less digits than its factorization.

31612334501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117064.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 31612334501 in words is "thirty-one billion, six hundred twelve million, three hundred thirty-four thousand, five hundred one".

Divisors: 1 11 19 209 1307 14377 24833 115727 273163 1272997 2198813 24186943 151255189 1663807079 2873848591 31612334501