13031081051 has 2 divisors, whose sum is σ = 13031081052. Its totient is φ = 13031081050.

The previous prime is 13031081039. The next prime is 13031081059. The reversal of 13031081051 is 15018013031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031081051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031081059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515540525 + 6515540526.

It is an arithmetic number, because the mean of its divisors is an integer number (6515540526).

Almost surely, 2^13031081051 is an apocalyptic number.

13031081051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031081051 is an equidigital number, since it uses as much as digits as its factorization.

13031081051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 13031081051 its reverse (15018013031), we get a palindrome (28049094082).

The spelling of 13031081051 in words is "thirteen billion, thirty-one million, eighty-one thousand, fifty-one".