31399674054671 has 8 divisors (see below), whose sum is σ = 34905841133184. Its totient is φ = 28049336624160.

The previous prime is 31399674054659. The next prime is 31399674054701. The reversal of 31399674054671 is 17645047699313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31399674054671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31399674054598 and 31399674054607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31399674054071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38957411576 + ... + 38957412381.

It is an arithmetic number, because the mean of its divisors is an integer number (4363230141648).

Almost surely, 2^{31399674054671} is an apocalyptic number.

31399674054671 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31399674054671 is a deficient number, since it is larger than the sum of its proper divisors (3506167078513).

31399674054671 is a wasteful number, since it uses less digits than its factorization.

31399674054671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77914824001.

The product of its (nonzero) digits is 102876480, while the sum is 65.

The spelling of 31399674054671 in words is "thirty-one trillion, three hundred ninety-nine billion, six hundred seventy-four million, fifty-four thousand, six hundred seventy-one".