133112331001 has 12 divisors (see below), whose sum is σ = 145106793900. Its totient is φ = 122048247360.

The previous prime is 133112330993. The next prime is 133112331017. The reversal of 133112331001 is 100133211331.

It can be written as a sum of positive squares in 6 ways, for example, as 71796666601 + 61315664400 = 267949^2 + 247620^2 .

It is not a de Polignac number, because 133112331001 - 2³ = 133112330993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133112331001.

It is not an unprimeable number, because it can be changed into a prime (133112331071) 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, 2617930 + ... + 2668291.

It is an arithmetic number, because the mean of its divisors is an integer number (12092232825).

Almost surely, 2^133112331001 is an apocalyptic number.

It is an amenable number.

133112331001 is a deficient number, since it is larger than the sum of its proper divisors (11994462899).

133112331001 is a wasteful number, since it uses less digits than its factorization.

133112331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286396 (or 5286383 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 133112331001 its reverse (100133211331), we get a palindrome (233245542332).

The spelling of 133112331001 in words is "one hundred thirty-three billion, one hundred twelve million, three hundred thirty-one thousand, one".