1233130131 has 12 divisors (see below), whose sum is σ = 1781565552. Its totient is φ = 821912496.

The previous prime is 1233130127. The next prime is 1233130147. The reversal of 1233130131 is 1310313321.

It is a happy number.

1233130131 is a `hidden beast` number, since 1 + 2 + 331 + 301 + 31 = 666.

It is not a de Polignac number, because 1233130131 - 2² = 1233130127 is a prime.

It is a super-2 number, since 2×1233130131² = 3041219839960154322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233130181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41785 + ... + 64901.

It is an arithmetic number, because the mean of its divisors is an integer number (148463796).

Almost surely, 2^1233130131 is an apocalyptic number.

1233130131 is a deficient number, since it is larger than the sum of its proper divisors (548435421).

1233130131 is a wasteful number, since it uses less digits than its factorization.

1233130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29050 (or 29047 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1233130131 is about 35115.9526568766. The cubic root of 1233130131 is about 1072.3493755575.

Adding to 1233130131 its reverse (1310313321), we get a palindrome (2543443452).

The spelling of 1233130131 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, one hundred thirty-one".