31130312301 has 24 divisors (see below), whose sum is σ = 49068261216. Its totient is φ = 18861303840.

The previous prime is 31130312281. The next prime is 31130312303. The reversal of 31130312301 is 10321303113.

It is a happy number.

It is not a de Polignac number, because 31130312301 - 2²⁷ = 30996094573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130312303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305266 + ... + 394268.

It is an arithmetic number, because the mean of its divisors is an integer number (2044510884).

Almost surely, 2^31130312301 is an apocalyptic number.

It is an amenable number.

31130312301 is a deficient number, since it is larger than the sum of its proper divisors (17937948915).

31130312301 is a wasteful number, since it uses less digits than its factorization.

31130312301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92553 (or 92550 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31130312301 its reverse (10321303113), we get a palindrome (41451615414).

The spelling of 31130312301 in words is "thirty-one billion, one hundred thirty million, three hundred twelve thousand, three hundred one".