131271100 has 36 divisors (see below), whose sum is σ = 285528600. Its totient is φ = 52384960.

The previous prime is 131271067. The next prime is 131271103. The reversal of 131271100 is 1172131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131271103) 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, 49611 + ... + 52189.

It is an arithmetic number, because the mean of its divisors is an integer number (7931350).

Almost surely, 2^131271100 is an apocalyptic number.

131271100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131271100 is an abundant number, since it is smaller than the sum of its proper divisors (154257500).

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

131271100 is a wasteful number, since it uses less digits than its factorization.

131271100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 131271100 is about 11457.3600798788. The cubic root of 131271100 is about 508.2254099173.

The spelling of 131271100 in words is "one hundred thirty-one million, two hundred seventy-one thousand, one hundred".