31086152111 has 64 divisors (see below), whose sum is σ = 40445982720. Its totient is φ = 23252520960.

The previous prime is 31086152089. The next prime is 31086152129. The reversal of 31086152111 is 11125168013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31086152111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31086152011) 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 63 ways as a sum of consecutive naturals, for example, 36272795 + ... + 36273651.

It is an arithmetic number, because the mean of its divisors is an integer number (631968480).

Almost surely, 2^31086152111 is an apocalyptic number.

31086152111 is a deficient number, since it is larger than the sum of its proper divisors (9359830609).

31086152111 is a wasteful number, since it uses less digits than its factorization.

31086152111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 31086152111 in words is "thirty-one billion, eighty-six million, one hundred fifty-two thousand, one hundred eleven".