1232130311 has 2 divisors, whose sum is σ = 1232130312. Its totient is φ = 1232130310.

The previous prime is 1232130283. The next prime is 1232130313. The reversal of 1232130311 is 1130312321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232130311 - 2²² = 1227936007 is a prime.

Together with 1232130313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232130311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232130313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616065155 + 616065156.

It is an arithmetic number, because the mean of its divisors is an integer number (616065156).

Almost surely, 2^1232130311 is an apocalyptic number.

1232130311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232130311 is an equidigital number, since it uses as much as digits as its factorization.

1232130311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1232130311 is about 35101.7137900701. The cubic root of 1232130311 is about 1072.0594774562.

Adding to 1232130311 its reverse (1130312321), we get a palindrome (2362442632).

The spelling of 1232130311 in words is "one billion, two hundred thirty-two million, one hundred thirty thousand, three hundred eleven".