1232351311 has 2 divisors, whose sum is σ = 1232351312. Its totient is φ = 1232351310.

The previous prime is 1232351287. The next prime is 1232351321. The reversal of 1232351311 is 1131532321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232351311 - 2¹⁵ = 1232318543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232351321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616175655 + 616175656.

It is an arithmetic number, because the mean of its divisors is an integer number (616175656).

Almost surely, 2^1232351311 is an apocalyptic number.

1232351311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232351311 is an equidigital number, since it uses as much as digits as its factorization.

1232351311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 1232351311 is about 35104.8616433679. The cubic root of 1232351311 is about 1072.1235699683.

Adding to 1232351311 its reverse (1131532321), we get a palindrome (2363883632).

The spelling of 1232351311 in words is "one billion, two hundred thirty-two million, three hundred fifty-one thousand, three hundred eleven".