1133131001231 has 32 divisors (see below), whose sum is σ = 1212251040000. Its totient is φ = 1056117346560.

The previous prime is 1133131001179. The next prime is 1133131001239. The reversal of 1133131001231 is 1321001313311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133131001231 is a prime.

It is a super-2 number, since 2×1133131001231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133131001239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300643115 + ... + 300646883.

It is an arithmetic number, because the mean of its divisors is an integer number (37882845000).

Almost surely, 2^{1133131001231} is an apocalyptic number.

1133131001231 is a deficient number, since it is larger than the sum of its proper divisors (79120038769).

1133131001231 is a wasteful number, since it uses less digits than its factorization.

1133131001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1133131001231 its reverse (1321001313311), we get a palindrome (2454132314542).

The spelling of 1133131001231 in words is "one trillion, one hundred thirty-three billion, one hundred thirty-one million, one thousand, two hundred thirty-one".