31074684173 has 8 divisors (see below), whose sum is σ = 34369505688. Its totient is φ = 27909071424.

The previous prime is 31074684143. The next prime is 31074684187. The reversal of 31074684173 is 37148647013.

It can be written as a sum of positive squares in 4 ways, for example, as 2905425604 + 28169258569 = 53902^2 + 167837^2 .

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

It is not a de Polignac number, because 31074684173 - 2²² = 31070489869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074684143) 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, 32301686 + ... + 32302647.

It is an arithmetic number, because the mean of its divisors is an integer number (4296188211).

Almost surely, 2^31074684173 is an apocalyptic number.

It is an amenable number.

31074684173 is a deficient number, since it is larger than the sum of its proper divisors (3294821515).

31074684173 is a wasteful number, since it uses less digits than its factorization.

31074684173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64604383.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 31074684173 in words is "thirty-one billion, seventy-four million, six hundred eighty-four thousand, one hundred seventy-three".