1233232131 has 16 divisors (see below), whose sum is σ = 1683690624. Its totient is φ = 802490304.

The previous prime is 1233232051. The next prime is 1233232151. The reversal of 1233232131 is 1312323321.

It is not a de Polignac number, because 1233232131 - 2¹⁰ = 1233231107 is a prime.

It is a super-2 number, since 2×1233232131² = 3041722977861602322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233232098 and 1233232107.

It is not an unprimeable number, because it can be changed into a prime (1233232151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290335 + ... + 294551.

It is an arithmetic number, because the mean of its divisors is an integer number (105230664).

Almost surely, 2^1233232131 is an apocalyptic number.

1233232131 is a deficient number, since it is larger than the sum of its proper divisors (450458493).

1233232131 is a wasteful number, since it uses less digits than its factorization.

1233232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530.

The product of its digits is 648, while the sum is 21.

The square root of 1233232131 is about 35117.4049582255. The cubic root of 1233232131 is about 1072.3789416775.

Adding to 1233232131 its reverse (1312323321), we get a palindrome (2545555452).

The spelling of 1233232131 in words is "one billion, two hundred thirty-three million, two hundred thirty-two thousand, one hundred thirty-one".