13077452231 has 2 divisors, whose sum is σ = 13077452232. Its totient is φ = 13077452230.

The previous prime is 13077452197. The next prime is 13077452261. The reversal of 13077452231 is 13225477031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13077452231 - 2²² = 13073257927 is a prime.

It is a super-2 number, since 2×13077452231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13077452191 and 13077452200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13077452261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6538726115 + 6538726116.

It is an arithmetic number, because the mean of its divisors is an integer number (6538726116).

Almost surely, 2^13077452231 is an apocalyptic number.

13077452231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13077452231 is an equidigital number, since it uses as much as digits as its factorization.

13077452231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 13077452231 in words is "thirteen billion, seventy-seven million, four hundred fifty-two thousand, two hundred thirty-one".