131228350 has 48 divisors (see below), whose sum is σ = 267389136. Its totient is φ = 47520000.

The previous prime is 131228341. The next prime is 131228387. The reversal of 131228350 is 53822131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218050 + ... + 218650.

It is an arithmetic number, because the mean of its divisors is an integer number (5570607).

Almost surely, 2^131228350 is an apocalyptic number.

131228350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131228350 is an abundant number, since it is smaller than the sum of its proper divisors (136160786).

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

131228350 is a wasteful number, since it uses less digits than its factorization.

131228350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 131228350 is about 11455.4943149565. The cubic root of 131228350 is about 508.1702340377.

The spelling of 131228350 in words is "one hundred thirty-one million, two hundred twenty-eight thousand, three hundred fifty".