31144123120204 has 12 divisors (see below), whose sum is σ = 55769708843464. Its totient is φ = 15209920593504.

The previous prime is 31144123120157. The next prime is 31144123120207. The reversal of 31144123120204 is 40202132144113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31144123120207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90535241457 + ... + 90535241800.

Almost surely, 2^{31144123120204} is an apocalyptic number.

It is an amenable number.

31144123120204 is a deficient number, since it is larger than the sum of its proper divisors (24625585723260).

31144123120204 is a wasteful number, since it uses less digits than its factorization.

31144123120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181070483304 (or 181070483302 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31144123120204 its reverse (40202132144113), we get a palindrome (71346255264317).

The spelling of 31144123120204 in words is "thirty-one trillion, one hundred forty-four billion, one hundred twenty-three million, one hundred twenty thousand, two hundred four".