125231106731 has 2 divisors, whose sum is σ = 125231106732. Its totient is φ = 125231106730.

The previous prime is 125231106683. The next prime is 125231106761. The reversal of 125231106731 is 137601132521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125231106731 - 2¹⁸ = 125230844587 is a prime.

It is a super-2 number, since 2×125231106731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125231106761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62615553365 + 62615553366.

It is an arithmetic number, because the mean of its divisors is an integer number (62615553366).

Almost surely, 2^125231106731 is an apocalyptic number.

125231106731 is a deficient number, since it is larger than the sum of its proper divisors (1).

125231106731 is an equidigital number, since it uses as much as digits as its factorization.

125231106731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 125231106731 in words is "one hundred twenty-five billion, two hundred thirty-one million, one hundred six thousand, seven hundred thirty-one".