131140233 has 48 divisors (see below), whose sum is σ = 225763200. Its totient is φ = 71769600.

The previous prime is 131140213. The next prime is 131140241. The reversal of 131140233 is 332041131.

It is not a de Polignac number, because 131140233 - 2⁵ = 131140201 is a prime.

It is a super-2 number, since 2×131140233² = 34395521422588578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131140213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326833 + ... + 327233.

It is an arithmetic number, because the mean of its divisors is an integer number (4703400).

Almost surely, 2^131140233 is an apocalyptic number.

It is an amenable number.

131140233 is a deficient number, since it is larger than the sum of its proper divisors (94622967).

131140233 is a wasteful number, since it uses less digits than its factorization.

131140233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131140233 is about 11451.6476107152. The cubic root of 131140233 is about 508.0564667945.

Adding to 131140233 its reverse (332041131), we get a palindrome (463181364).

The spelling of 131140233 in words is "one hundred thirty-one million, one hundred forty thousand, two hundred thirty-three".