23315140331 has 32 divisors (see below), whose sum is σ = 30656286720. Its totient is φ = 17244057600.

The previous prime is 23315140327. The next prime is 23315140337. The reversal of 23315140331 is 13304151332.

It is not a de Polignac number, because 23315140331 - 2² = 23315140327 is a prime.

It is a super-2 number, since 2×23315140331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23315140331.

It is not an unprimeable number, because it can be changed into a prime (23315140337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96230 + ... + 236411.

It is an arithmetic number, because the mean of its divisors is an integer number (958008960).

Almost surely, 2^23315140331 is an apocalyptic number.

23315140331 is a deficient number, since it is larger than the sum of its proper divisors (7341146389).

23315140331 is a wasteful number, since it uses less digits than its factorization.

23315140331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332715.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 23315140331 its reverse (13304151332), we get a palindrome (36619291663).

The spelling of 23315140331 in words is "twenty-three billion, three hundred fifteen million, one hundred forty thousand, three hundred thirty-one".