31144232423404 has 6 divisors (see below), whose sum is σ = 54502406740964. Its totient is φ = 15572116211700.

The previous prime is 31144232423387. The next prime is 31144232423417. The reversal of 31144232423404 is 40432423244113.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3893029052922 + ... + 3893029052929.

Almost surely, 2^{31144232423404} is an apocalyptic number.

It is an amenable number.

31144232423404 is a deficient number, since it is larger than the sum of its proper divisors (23358174317560).

31144232423404 is a wasteful number, since it uses less digits than its factorization.

31144232423404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786058105855 (or 7786058105853 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 31144232423404 its reverse (40432423244113), we get a palindrome (71576655667517).

The spelling of 31144232423404 in words is "thirty-one trillion, one hundred forty-four billion, two hundred thirty-two million, four hundred twenty-three thousand, four hundred four".