31340137354 has 8 divisors (see below), whose sum is σ = 48156796548. Its totient is φ = 15287871840.

The previous prime is 31340137337. The next prime is 31340137357. The reversal of 31340137354 is 45373104313.

It can be written as a sum of positive squares in 2 ways, for example, as 29458573225 + 1881564129 = 171635^2 + 43377^2 .

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

It is a super-2 number, since 2×31340137354² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31340137357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191098317 + ... + 191098480.

Almost surely, 2^31340137354 is an apocalyptic number.

31340137354 is a deficient number, since it is larger than the sum of its proper divisors (16816659194).

31340137354 is a wasteful number, since it uses less digits than its factorization.

31340137354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382196840.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 31340137354 in words is "thirty-one billion, three hundred forty million, one hundred thirty-seven thousand, three hundred fifty-four".