131000233 has 32 divisors (see below), whose sum is σ = 166763520. Its totient is φ = 100154880.

The previous prime is 131000227. The next prime is 131000251. The reversal of 131000233 is 332000131.

It is a de Polignac number, because none of the positive numbers 2^k-131000233 is a prime.

It is a super-2 number, since 2×131000233² = 34322122092108578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (131000293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466053 + ... + 466333.

It is an arithmetic number, because the mean of its divisors is an integer number (5211360).

Almost surely, 2^131000233 is an apocalyptic number.

131000233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131000233 is a deficient number, since it is larger than the sum of its proper divisors (35763287).

131000233 is a wasteful number, since it uses less digits than its factorization.

131000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 131000233 is about 11445.5333209073. The cubic root of 131000233 is about 507.8756089198.

Adding to 131000233 its reverse (332000131), we get a palindrome (463000364).

The spelling of 131000233 in words is "one hundred thirty-one million, two hundred thirty-three", and thus it is an aban number.