30311200013 has 4 divisors (see below), whose sum is σ = 30311804160. Its totient is φ = 30310595868.

The previous prime is 30311199929. The next prime is 30311200019. The reversal of 30311200013 is 31000211303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30311200013 - 2²² = 30307005709 is a prime.

It is a super-3 number, since 3×30311200013³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311200019) 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, 219245 + ... + 329682.

It is an arithmetic number, because the mean of its divisors is an integer number (7577951040).

Almost surely, 2^30311200013 is an apocalyptic number.

It is an amenable number.

30311200013 is a deficient number, since it is larger than the sum of its proper divisors (604147).

30311200013 is an equidigital number, since it uses as much as digits as its factorization.

30311200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604146.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30311200013 its reverse (31000211303), we get a palindrome (61311411316).

The spelling of 30311200013 in words is "thirty billion, three hundred eleven million, two hundred thousand, thirteen".