1232313111 has 12 divisors (see below), whose sum is σ = 1806575992. Its totient is φ = 809279856.

The previous prime is 1232313101. The next prime is 1232313127. The reversal of 1232313111 is 1113132321.

1232313111 is a `hidden beast` number, since 123 + 231 + 311 + 1 = 666.

It is not a de Polignac number, because 1232313111 - 2¹⁴ = 1232296727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1021216 + ... + 1022421.

Almost surely, 2^1232313111 is an apocalyptic number.

1232313111 is a deficient number, since it is larger than the sum of its proper divisors (574262881).

1232313111 is a wasteful number, since it uses less digits than its factorization.

1232313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043710 (or 2043707 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1232313111 is about 35104.3175549675. The cubic root of 1232313111 is about 1072.1124920819.

Adding to 1232313111 its reverse (1113132321), we get a palindrome (2345445432).

The spelling of 1232313111 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred eleven".