1232130931 has 2 divisors, whose sum is σ = 1232130932. Its totient is φ = 1232130930.

The previous prime is 1232130883. The next prime is 1232130937. The reversal of 1232130931 is 1390312321.

It is a strong prime.

It is an emirp because it is prime and its reverse (1390312321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232130931 - 2²⁵ = 1198576499 is a prime.

It is a super-2 number, since 2×1232130931² = 3036293262253853522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232130896 and 1232130905.

It is not a weakly prime, because it can be changed into another prime (1232130937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616065465 + 616065466.

It is an arithmetic number, because the mean of its divisors is an integer number (616065466).

Almost surely, 2^1232130931 is an apocalyptic number.

1232130931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232130931 is an equidigital number, since it uses as much as digits as its factorization.

1232130931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1232130931 is about 35101.7226215467. The cubic root of 1232130931 is about 1072.0596572739.

The spelling of 1232130931 in words is "one billion, two hundred thirty-two million, one hundred thirty thousand, nine hundred thirty-one".