31617144058 has 4 divisors (see below), whose sum is σ = 47425716090. Its totient is φ = 15808572028.

The previous prime is 31617144043. The next prime is 31617144061. The reversal of 31617144058 is 85044171613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27545045089 + 4072098969 = 165967^2 + 63813^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31617144058.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7904286013 + ... + 7904286016.

Almost surely, 2^31617144058 is an apocalyptic number.

31617144058 is a deficient number, since it is larger than the sum of its proper divisors (15808572032).

31617144058 is a wasteful number, since it uses less digits than its factorization.

31617144058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15808572031.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 31617144058 in words is "thirty-one billion, six hundred seventeen million, one hundred forty-four thousand, fifty-eight".