131308230 has 32 divisors (see below), whose sum is σ = 326008800. Its totient is φ = 33807872.

The previous prime is 131308213. The next prime is 131308231. The reversal of 131308230 is 32803131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131308197 and 131308206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131308231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74595 + ... + 76334.

It is an arithmetic number, because the mean of its divisors is an integer number (10187775).

Almost surely, 2^131308230 is an apocalyptic number.

131308230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131308230 is an abundant number, since it is smaller than the sum of its proper divisors (194700570).

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

131308230 is a wasteful number, since it uses less digits than its factorization.

131308230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150968.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 131308230 is about 11458.9803211281. The cubic root of 131308230 is about 508.2733225464.

The spelling of 131308230 in words is "one hundred thirty-one million, three hundred eight thousand, two hundred thirty".