31807157103543 has 32 divisors (see below), whose sum is σ = 43487076326400. Its totient is φ = 20673738049536.

The previous prime is 31807157103529. The next prime is 31807157103581. The reversal of 31807157103543 is 34530175170813.

It is not a de Polignac number, because 31807157103543 - 2¹⁰ = 31807157102519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31807157103492 and 31807157103501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31807157102543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8622523 + ... + 11745731.

It is an arithmetic number, because the mean of its divisors is an integer number (1358971135200).

Almost surely, 2^{31807157103543} is an apocalyptic number.

31807157103543 is a deficient number, since it is larger than the sum of its proper divisors (11679919222857).

31807157103543 is a wasteful number, since it uses less digits than its factorization.

31807157103543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123831.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 31807157103543 in words is "thirty-one trillion, eight hundred seven billion, one hundred fifty-seven million, one hundred three thousand, five hundred forty-three".