12313022031 has 16 divisors (see below), whose sum is σ = 18243400800. Its totient is φ = 8207832384.

The previous prime is 12313022003. The next prime is 12313022041. The reversal of 12313022031 is 13022031321.

It is not a de Polignac number, because 12313022031 - 2⁹ = 12313021519 is a prime.

It is a super-2 number, since 2×12313022031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313021995 and 12313022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313022041) 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, 349785 + ... + 383373.

It is an arithmetic number, because the mean of its divisors is an integer number (1140212550).

Almost surely, 2^12313022031 is an apocalyptic number.

12313022031 is a deficient number, since it is larger than the sum of its proper divisors (5930378769).

12313022031 is a wasteful number, since it uses less digits than its factorization.

12313022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47175 (or 47169 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12313022031 its reverse (13022031321), we get a palindrome (25335053352).

It can be divided in two parts, 123130 and 22031, that added together give a square (145161 = 381²).

The spelling of 12313022031 in words is "twelve billion, three hundred thirteen million, twenty-two thousand, thirty-one".