133112131 has 6 divisors (see below), whose sum is σ = 136006820. Its totient is φ = 130277796.

The previous prime is 133112123. The next prime is 133112141. The reversal of 133112131 is 131211331.

It is not a de Polignac number, because 133112131 - 2³ = 133112123 is a prime.

It is a super-2 number, since 2×133112131² = 35437678838722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133112101) 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, 27921 + ... + 32338.

Almost surely, 2^133112131 is an apocalyptic number.

133112131 is a deficient number, since it is larger than the sum of its proper divisors (2894689).

133112131 is an frugal number, since it uses more digits than its factorization.

133112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60353 (or 60306 counting only the distinct ones).

The product of its digits is 54, while the sum is 16.

The square root of 133112131 is about 11537.4230658323. The cubic root of 133112131 is about 510.5902828279.

Adding to 133112131 its reverse (131211331), we get a palindrome (264323462).

The spelling of 133112131 in words is "one hundred thirty-three million, one hundred twelve thousand, one hundred thirty-one".