31166080108831 has 16 divisors (see below), whose sum is σ = 31368924499968. Its totient is φ = 30963902508000.

The previous prime is 31166080108789. The next prime is 31166080108897. The reversal of 31166080108831 is 13880108066113.

It is a cyclic number.

It is not a de Polignac number, because 31166080108831 - 2³¹ = 31163932625183 is a prime.

It is a super-2 number, since 2×31166080108831² (a number of 28 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 (31166080208831) 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, 673532226 + ... + 673578496.

It is an arithmetic number, because the mean of its divisors is an integer number (1960557781248).

Almost surely, 2^{31166080108831} is an apocalyptic number.

31166080108831 is a deficient number, since it is larger than the sum of its proper divisors (202844391137).

31166080108831 is a wasteful number, since it uses less digits than its factorization.

31166080108831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53382.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 31166080108831 in words is "thirty-one trillion, one hundred sixty-six billion, eighty million, one hundred eight thousand, eight hundred thirty-one".