231556014455053 has 2 divisors, whose sum is σ = 231556014455054. Its totient is φ = 231556014455052.

The previous prime is 231556014454979. The next prime is 231556014455071. The reversal of 231556014455053 is 350554410655132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188655636628809 + 42900377826244 = 13735197^2 + 6549838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231556014455053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231556014454988 and 231556014455006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231556014455153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115778007227526 + 115778007227527.

It is an arithmetic number, because the mean of its divisors is an integer number (115778007227527).

Almost surely, 2^{231556014455053} is an apocalyptic number.

It is an amenable number.

231556014455053 is a deficient number, since it is larger than the sum of its proper divisors (1).

231556014455053 is an equidigital number, since it uses as much as digits as its factorization.

231556014455053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 231556014455053 in words is "two hundred thirty-one trillion, five hundred fifty-six billion, fourteen million, four hundred fifty-five thousand, fifty-three".