231272937751 has 2 divisors, whose sum is σ = 231272937752. Its totient is φ = 231272937750.

The previous prime is 231272937703. The next prime is 231272937787. The reversal of 231272937751 is 157739272132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231272937751 - 2²¹ = 231270840599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231272937695 and 231272937704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231272937851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115636468875 + 115636468876.

It is an arithmetic number, because the mean of its divisors is an integer number (115636468876).

Almost surely, 2^231272937751 is an apocalyptic number.

231272937751 is a deficient number, since it is larger than the sum of its proper divisors (1).

231272937751 is an equidigital number, since it uses as much as digits as its factorization.

231272937751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 49.

The spelling of 231272937751 in words is "two hundred thirty-one billion, two hundred seventy-two million, nine hundred thirty-seven thousand, seven hundred fifty-one".