31582108113 has 4 divisors (see below), whose sum is σ = 42109477488. Its totient is φ = 21054738740.

The previous prime is 31582108091. The next prime is 31582108163. The reversal of 31582108113 is 31180128513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31582108113 - 2⁵ = 31582108081 is a prime.

It is a super-2 number, since 2×31582108113² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31582108163) 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 3 ways as a sum of consecutive naturals, for example, 5263684683 + ... + 5263684688.

It is an arithmetic number, because the mean of its divisors is an integer number (10527369372).

Almost surely, 2^31582108113 is an apocalyptic number.

It is an amenable number.

31582108113 is a deficient number, since it is larger than the sum of its proper divisors (10527369375).

31582108113 is a wasteful number, since it uses less digits than its factorization.

31582108113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10527369374.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 31582108113 in words is "thirty-one billion, five hundred eighty-two million, one hundred eight thousand, one hundred thirteen".