10311690531 has 4 divisors (see below), whose sum is σ = 13748920712. Its totient is φ = 6874460352.

The previous prime is 10311690523. The next prime is 10311690541. The reversal of 10311690531 is 13509611301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10311690531 - 2³ = 10311690523 is a prime.

It is a super-2 number, since 2×10311690531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311690541) 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, 1718615086 + ... + 1718615091.

It is an arithmetic number, because the mean of its divisors is an integer number (3437230178).

Almost surely, 2^10311690531 is an apocalyptic number.

10311690531 is a deficient number, since it is larger than the sum of its proper divisors (3437230181).

10311690531 is an equidigital number, since it uses as much as digits as its factorization.

10311690531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437230180.

The product of its (nonzero) digits is 2430, while the sum is 30.

The spelling of 10311690531 in words is "ten billion, three hundred eleven million, six hundred ninety thousand, five hundred thirty-one".