131233100 has 18 divisors (see below), whose sum is σ = 284776044. Its totient is φ = 52493200.

The previous prime is 131233073. The next prime is 131233103. The reversal of 131233100 is 1332131.

It is a super-2 number, since 2×131233100² = 34444253071220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131233103) 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, 656066 + ... + 656265.

Almost surely, 2^131233100 is an apocalyptic number.

131233100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131233100 is an abundant number, since it is smaller than the sum of its proper divisors (153542944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131233100 is a wasteful number, since it uses less digits than its factorization.

131233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312345 (or 1312338 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131233100 is about 11455.7016371761. The cubic root of 131233100 is about 508.1763652827.

Adding to 131233100 its reverse (1332131), we get a palindrome (132565231).

The spelling of 131233100 in words is "one hundred thirty-one million, two hundred thirty-three thousand, one hundred".