12313231022 has 16 divisors (see below), whose sum is σ = 18667294800. Its totient is φ = 6090847488.

The previous prime is 12313231013. The next prime is 12313231061. The reversal of 12313231022 is 22013231321.

It is a super-2 number, since 2×12313231022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313230985 and 12313231003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578729 + ... + 599627.

It is an arithmetic number, because the mean of its divisors is an integer number (1166705925).

Almost surely, 2^12313231022 is an apocalyptic number.

12313231022 is a deficient number, since it is larger than the sum of its proper divisors (6354063778).

12313231022 is a wasteful number, since it uses less digits than its factorization.

12313231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12313231022 its reverse (22013231321), we get a palindrome (34326462343).

The spelling of 12313231022 in words is "twelve billion, three hundred thirteen million, two hundred thirty-one thousand, twenty-two".