30312222313 has 16 divisors (see below), whose sum is σ = 31739788800. Its totient is φ = 28915344000.

The previous prime is 30312222301. The next prime is 30312222359. The reversal of 30312222313 is 31322221303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30312222313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312222013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689413 + ... + 732061.

It is an arithmetic number, because the mean of its divisors is an integer number (1983736800).

Almost surely, 2^30312222313 is an apocalyptic number.

It is an amenable number.

30312222313 is a deficient number, since it is larger than the sum of its proper divisors (1427566487).

30312222313 is a wasteful number, since it uses less digits than its factorization.

30312222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43008.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30312222313 its reverse (31322221303), we get a palindrome (61634443616).

The spelling of 30312222313 in words is "thirty billion, three hundred twelve million, two hundred twenty-two thousand, three hundred thirteen".