12313131202202 has 12 divisors (see below), whose sum is σ = 19492948704906. Its totient is φ = 5832535832280.

The previous prime is 12313131202187. The next prime is 12313131202217. The reversal of 12313131202202 is 20220213131321.

It is an interprime number because it is at equal distance from previous prime (12313131202187) and next prime (12313131202217).

It can be written as a sum of positive squares in only one way, i.e., 6219831493681 + 6093299708521 = 2493959^2 + 2468461^2 .

It is a super-2 number, since 2×12313131202202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8527098449 + ... + 8527099892.

Almost surely, 2^{12313131202202} is an apocalyptic number.

12313131202202 is a deficient number, since it is larger than the sum of its proper divisors (7179817502704).

12313131202202 is a wasteful number, since it uses less digits than its factorization.

12313131202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054198381 (or 17054198362 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12313131202202 its reverse (20220213131321), we get a palindrome (32533344333523).

The spelling of 12313131202202 in words is "twelve trillion, three hundred thirteen billion, one hundred thirty-one million, two hundred two thousand, two hundred two".