31612412307 has 32 divisors (see below), whose sum is σ = 51999022080. Its totient is φ = 16683004800.

The previous prime is 31612412303. The next prime is 31612412317. The reversal of 31612412307 is 70321421613.

It is a happy number.

It is not a de Polignac number, because 31612412307 - 2² = 31612412303 is a prime.

It is a super-2 number, since 2×31612412307² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31612412303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114444 + ... + 1142457.

It is an arithmetic number, because the mean of its divisors is an integer number (1624969440).

Almost surely, 2^31612412307 is an apocalyptic number.

31612412307 is a deficient number, since it is larger than the sum of its proper divisors (20386609773).

31612412307 is a wasteful number, since it uses less digits than its factorization.

31612412307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256963.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 31612412307 in words is "thirty-one billion, six hundred twelve million, four hundred twelve thousand, three hundred seven".