31140441338 has 8 divisors (see below), whose sum is σ = 48321374580. Its totient is φ = 15033316480.

The previous prime is 31140441331. The next prime is 31140441349. The reversal of 31140441338 is 83314404113.

It can be written as a sum of positive squares in 2 ways, for example, as 26865504649 + 4274936689 = 163907^2 + 65383^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31140441331) 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, 268452023 + ... + 268452138.

Almost surely, 2^31140441338 is an apocalyptic number.

31140441338 is a deficient number, since it is larger than the sum of its proper divisors (17180933242).

31140441338 is a wasteful number, since it uses less digits than its factorization.

31140441338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536904192.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 31140441338 in words is "thirty-one billion, one hundred forty million, four hundred forty-one thousand, three hundred thirty-eight".