1325239159931 has 2 divisors, whose sum is σ = 1325239159932. Its totient is φ = 1325239159930.

The previous prime is 1325239159927. The next prime is 1325239159939. The reversal of 1325239159931 is 1399519325231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325239159931 - 2² = 1325239159927 is a prime.

It is a super-2 number, since 2×1325239159931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1325239159939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662619579965 + 662619579966.

It is an arithmetic number, because the mean of its divisors is an integer number (662619579966).

Almost surely, 2^{1325239159931} is an apocalyptic number.

1325239159931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325239159931 is an equidigital number, since it uses as much as digits as its factorization.

1325239159931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1968300, while the sum is 53.

The spelling of 1325239159931 in words is "one trillion, three hundred twenty-five billion, two hundred thirty-nine million, one hundred fifty-nine thousand, nine hundred thirty-one".