31379097313 has 8 divisors (see below), whose sum is σ = 31990548960. Its totient is φ = 30770299200.

The previous prime is 31379097287. The next prime is 31379097329.

31379097313 is nontrivially palindromic in base 10.

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-31379097313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31379097383) 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, 639495 + ... + 686812.

It is an arithmetic number, because the mean of its divisors is an integer number (3998818620).

Almost surely, 2^31379097313 is an apocalyptic number.

It is an amenable number.

31379097313 is a deficient number, since it is larger than the sum of its proper divisors (611451647).

31379097313 is a wasteful number, since it uses less digits than its factorization.

31379097313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326767.

The product of its (nonzero) digits is 321489, while the sum is 46.

The spelling of 31379097313 in words is "thirty-one billion, three hundred seventy-nine million, ninety-seven thousand, three hundred thirteen".