30311120113 has 4 divisors (see below), whose sum is σ = 30579360228. Its totient is φ = 30042880000.

The previous prime is 30311120107. The next prime is 30311120117. The reversal of 30311120113 is 31102111303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2978103184 + 27333016929 = 54572^2 + 165327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30311120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311120117) 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, 134119888 + ... + 134120113.

It is an arithmetic number, because the mean of its divisors is an integer number (7644840057).

Almost surely, 2^30311120113 is an apocalyptic number.

It is an amenable number.

30311120113 is a deficient number, since it is larger than the sum of its proper divisors (268240115).

30311120113 is a wasteful number, since it uses less digits than its factorization.

30311120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268240114.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30311120113 its reverse (31102111303), we get a palindrome (61413231416).

The spelling of 30311120113 in words is "thirty billion, three hundred eleven million, one hundred twenty thousand, one hundred thirteen".