30131120313 has 64 divisors (see below), whose sum is σ = 52757053440. Its totient is φ = 16632086400.

The previous prime is 30131120291. The next prime is 30131120333. The reversal of 30131120313 is 31302113103.

It is a happy number.

30131120313 is a `hidden beast` number, since 301 + 31 + 1 + 20 + 313 = 666.

It is not a de Polignac number, because 30131120313 - 2¹⁰ = 30131119289 is a prime.

It is a super-2 number, since 2×30131120313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30131120333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3434853 + ... + 3443613.

It is an arithmetic number, because the mean of its divisors is an integer number (824328960).

Almost surely, 2^30131120313 is an apocalyptic number.

It is an amenable number.

30131120313 is a deficient number, since it is larger than the sum of its proper divisors (22625933127).

30131120313 is a wasteful number, since it uses less digits than its factorization.

30131120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395 (or 9389 counting only the distinct ones).

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

Adding to 30131120313 its reverse (31302113103), we get a palindrome (61433233416).

The spelling of 30131120313 in words is "thirty billion, one hundred thirty-one million, one hundred twenty thousand, three hundred thirteen".