133100331131 has 6 divisors (see below), whose sum is σ = 141390317460. Its totient is φ = 125270899616.

The previous prime is 133100331071. The next prime is 133100331149. The reversal of 133100331131 is 131133001331.

It is not a de Polignac number, because 133100331131 - 2³⁴ = 115920461947 is a prime.

It is a super-2 number, since 2×133100331131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133100331431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230277101 + ... + 230277678.

It is an arithmetic number, because the mean of its divisors is an integer number (23565052910).

Almost surely, 2^133100331131 is an apocalyptic number.

133100331131 is a deficient number, since it is larger than the sum of its proper divisors (8289986329).

133100331131 is an equidigital number, since it uses as much as digits as its factorization.

133100331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460554813 (or 460554796 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 133100331131 its reverse (131133001331), we get a palindrome (264233332462).

The spelling of 133100331131 in words is "one hundred thirty-three billion, one hundred million, three hundred thirty-one thousand, one hundred thirty-one".