1233113203131 has 4 divisors (see below), whose sum is σ = 1644150937512. Its totient is φ = 822075468752.

The previous prime is 1233113203129. The next prime is 1233113203183. The reversal of 1233113203131 is 1313023113321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1233113203131 - 2¹ = 1233113203129 is a prime.

It is a super-2 number, since 2×1233113203131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233113203631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205518867186 + ... + 205518867191.

It is an arithmetic number, because the mean of its divisors is an integer number (411037734378).

Almost surely, 2^{1233113203131} is an apocalyptic number.

1233113203131 is a deficient number, since it is larger than the sum of its proper divisors (411037734381).

1233113203131 is an equidigital number, since it uses as much as digits as its factorization.

1233113203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411037734380.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1233113203131 its reverse (1313023113321), we get a palindrome (2546136316452).

The spelling of 1233113203131 in words is "one trillion, two hundred thirty-three billion, one hundred thirteen million, two hundred three thousand, one hundred thirty-one".