131200031133 has 12 divisors (see below), whose sum is σ = 189523138428. Its totient is φ = 87461157120.

The previous prime is 131200031129. The next prime is 131200031141. The reversal of 131200031133 is 331130002131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84866177124 + 46333854009 = 291318^2 + 215253^2 .

It is not a de Polignac number, because 131200031133 - 2² = 131200031129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200031033) 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, 307938 + ... + 597683.

It is an arithmetic number, because the mean of its divisors is an integer number (15793594869).

Almost surely, 2^131200031133 is an apocalyptic number.

It is an amenable number.

131200031133 is a deficient number, since it is larger than the sum of its proper divisors (58323107295).

131200031133 is a wasteful number, since it uses less digits than its factorization.

131200031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921724 (or 921721 counting only the distinct ones).

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

Adding to 131200031133 its reverse (331130002131), we get a palindrome (462330033264).

The spelling of 131200031133 in words is "one hundred thirty-one billion, two hundred million, thirty-one thousand, one hundred thirty-three".