31074851891368 has 16 divisors (see below), whose sum is σ = 60798623266080. Its totient is φ = 14861885687088.

The previous prime is 31074851891339. The next prime is 31074851891389. The reversal of 31074851891368 is 86319815847013.

It is a super-2 number, since 2×31074851891368² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84442532130 + ... + 84442532497.

It is an arithmetic number, because the mean of its divisors is an integer number (3799913954130).

Almost surely, 2^{31074851891368} is an apocalyptic number.

It is an amenable number.

31074851891368 is a deficient number, since it is larger than the sum of its proper divisors (29723771374712).

31074851891368 is a wasteful number, since it uses less digits than its factorization.

31074851891368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168885064656 (or 168885064652 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 31074851891368 in words is "thirty-one trillion, seventy-four billion, eight hundred fifty-one million, eight hundred ninety-one thousand, three hundred sixty-eight".