11453315231 has 2 divisors, whose sum is σ = 11453315232. Its totient is φ = 11453315230.

The previous prime is 11453315173. The next prime is 11453315243. The reversal of 11453315231 is 13251335411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11453315231 is a prime.

It is a super-2 number, since 2×11453315231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11453315194 and 11453315203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11453315431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726657615 + 5726657616.

It is an arithmetic number, because the mean of its divisors is an integer number (5726657616).

Almost surely, 2^11453315231 is an apocalyptic number.

11453315231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11453315231 is an equidigital number, since it uses as much as digits as its factorization.

11453315231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The spelling of 11453315231 in words is "eleven billion, four hundred fifty-three million, three hundred fifteen thousand, two hundred thirty-one".