125320885031 has 2 divisors, whose sum is σ = 125320885032. Its totient is φ = 125320885030.

The previous prime is 125320885021. The next prime is 125320885097. The reversal of 125320885031 is 130588023521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125320885031 is a prime.

It is a super-2 number, since 2×125320885031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125320885021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62660442515 + 62660442516.

It is an arithmetic number, because the mean of its divisors is an integer number (62660442516).

Almost surely, 2^125320885031 is an apocalyptic number.

125320885031 is a deficient number, since it is larger than the sum of its proper divisors (1).

125320885031 is an equidigital number, since it uses as much as digits as its factorization.

125320885031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 125320885031 in words is "one hundred twenty-five billion, three hundred twenty million, eight hundred eighty-five thousand, thirty-one".