30312031113 has 32 divisors (see below), whose sum is σ = 55269804800. Its totient is φ = 15988762368.

The previous prime is 30312031111. The next prime is 30312031117. The reversal of 30312031113 is 31113021303.

It is a happy number.

30312031113 is a `hidden beast` number, since 30 + 312 + 0 + 311 + 13 = 666.

It is not a de Polignac number, because 30312031113 - 2¹ = 30312031111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30312031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6166048 + ... + 6170961.

It is an arithmetic number, because the mean of its divisors is an integer number (1727181400).

Almost surely, 2^30312031113 is an apocalyptic number.

It is an amenable number.

30312031113 is a deficient number, since it is larger than the sum of its proper divisors (24957773687).

30312031113 is a wasteful number, since it uses less digits than its factorization.

30312031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337038 (or 12337032 counting only the distinct ones).

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

Adding to 30312031113 its reverse (31113021303), we get a palindrome (61425052416).

The spelling of 30312031113 in words is "thirty billion, three hundred twelve million, thirty-one thousand, one hundred thirteen".