31631506140339 has 32 divisors (see below), whose sum is σ = 53785843338240. Its totient is φ = 17997570605376.

The previous prime is 31631506140307. The next prime is 31631506140383. The reversal of 31631506140339 is 93304160513613.

31631506140339 is a `hidden beast` number, since 3 + 1 + 6 + 3 + 150 + 61 + 403 + 39 = 666.

It is not a de Polignac number, because 31631506140339 - 2⁵ = 31631506140307 is a prime.

It is a super-3 number, since 3×31631506140339³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31631506140294 and 31631506140303.

It is not an unprimeable number, because it can be changed into a prime (31631506140139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359102887 + ... + 359190960.

It is an arithmetic number, because the mean of its divisors is an integer number (1680807604320).

Almost surely, 2^{31631506140339} is an apocalyptic number.

31631506140339 is a deficient number, since it is larger than the sum of its proper divisors (22154337197901).

31631506140339 is a wasteful number, since it uses less digits than its factorization.

31631506140339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718294096 (or 718294090 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 31631506140339 in words is "thirty-one trillion, six hundred thirty-one billion, five hundred six million, one hundred forty thousand, three hundred thirty-nine".