31257673671106 has 4 divisors (see below), whose sum is σ = 46886510506662. Its totient is φ = 15628836835552.

The previous prime is 31257673671023. The next prime is 31257673671109. The reversal of 31257673671106 is 60117637675213.

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., 19148422043881 + 12109251627225 = 4375891^2 + 3479835^2 .

It is not an unprimeable number, because it can be changed into a prime (31257673671109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7814418417775 + ... + 7814418417778.

Almost surely, 2^{31257673671106} is an apocalyptic number.

31257673671106 is a deficient number, since it is larger than the sum of its proper divisors (15628836835556).

31257673671106 is a wasteful number, since it uses less digits than its factorization.

31257673671106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15628836835555.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 31257673671106 in words is "thirty-one trillion, two hundred fifty-seven billion, six hundred seventy-three million, six hundred seventy-one thousand, one hundred six".