31113223123202 has 16 divisors (see below), whose sum is σ = 50989570473024. Its totient is φ = 14120978718000.

The previous prime is 31113223123163. The next prime is 31113223123219. The reversal of 31113223123202 is 20232132231113.

It is a super-2 number, since 2×31113223123202² (a number of 28 digits) contains 22 as substring.

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, 1069756574 + ... + 1069785657.

It is an arithmetic number, because the mean of its divisors is an integer number (3186848154564).

Almost surely, 2^{31113223123202} is an apocalyptic number.

31113223123202 is a deficient number, since it is larger than the sum of its proper divisors (19876347349822).

31113223123202 is a wasteful number, since it uses less digits than its factorization.

31113223123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139542905.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31113223123202 its reverse (20232132231113), we get a palindrome (51345355354315).

The spelling of 31113223123202 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred two".