13121032319 has 2 divisors, whose sum is σ = 13121032320. Its totient is φ = 13121032318.

The previous prime is 13121032277. The next prime is 13121032367. The reversal of 13121032319 is 91323012131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13121032319 - 2⁸ = 13121032063 is a prime.

It is a super-2 number, since 2×13121032319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13121032619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560516159 + 6560516160.

It is an arithmetic number, because the mean of its divisors is an integer number (6560516160).

Almost surely, 2^13121032319 is an apocalyptic number.

13121032319 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121032319 is an equidigital number, since it uses as much as digits as its factorization.

13121032319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13121032319 in words is "thirteen billion, one hundred twenty-one million, thirty-two thousand, three hundred nineteen".