30311113291 has 2 divisors, whose sum is σ = 30311113292. Its totient is φ = 30311113290.

The previous prime is 30311113277. The next prime is 30311113303. The reversal of 30311113291 is 19231111303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30311113291 - 2²⁵ = 30277558859 is a prime.

It is not a weakly prime, because it can be changed into another prime (30311183291) 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 as a sum of consecutive naturals, namely, 15155556645 + 15155556646.

It is an arithmetic number, because the mean of its divisors is an integer number (15155556646).

Almost surely, 2^30311113291 is an apocalyptic number.

30311113291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311113291 is an equidigital number, since it uses as much as digits as its factorization.

30311113291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 30311113291 its reverse (19231111303), we get a palindrome (49542224594).

The spelling of 30311113291 in words is "thirty billion, three hundred eleven million, one hundred thirteen thousand, two hundred ninety-one".