1233131011 has 24 divisors (see below), whose sum is σ = 1495825920. Its totient is φ = 1012338432.

The previous prime is 1233130999. The next prime is 1233131033. The reversal of 1233131011 is 1101313321.

It is not a de Polignac number, because 1233131011 - 2⁵ = 1233130979 is a prime.

It is a super-2 number, since 2×1233131011² = 3041224180579764242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233131071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177051 + ... + 183883.

It is an arithmetic number, because the mean of its divisors is an integer number (62326080).

Almost surely, 2^1233131011 is an apocalyptic number.

1233131011 is a deficient number, since it is larger than the sum of its proper divisors (262694909).

1233131011 is a wasteful number, since it uses less digits than its factorization.

1233131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003 (or 6996 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1233131011 is about 35115.9651867922. The cubic root of 1233131011 is about 1072.3496306447.

Adding to 1233131011 its reverse (1101313321), we get a palindrome (2334444332).

The spelling of 1233131011 in words is "one billion, two hundred thirty-three million, one hundred thirty-one thousand, eleven".