131830530 has 32 divisors (see below), whose sum is σ = 340732224. Its totient is φ = 32450496.

The previous prime is 131830511. The next prime is 131830537. The reversal of 131830530 is 35038131.

It is a self number, because there is not a number n which added to its sum of digits gives 131830530.

It is not an unprimeable number, because it can be changed into a prime (131830537) 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, 168624 + ... + 169403.

It is an arithmetic number, because the mean of its divisors is an integer number (10647882).

Almost surely, 2^131830530 is an apocalyptic number.

131830530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131830530 is an abundant number, since it is smaller than the sum of its proper divisors (208901694).

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

131830530 is a wasteful number, since it uses less digits than its factorization.

131830530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338050.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 131830530 is about 11481.7476892675. The cubic root of 131830530 is about 508.9463444560.

Adding to 131830530 its reverse (35038131), we get a palindrome (166868661).

The spelling of 131830530 in words is "one hundred thirty-one million, eight hundred thirty thousand, five hundred thirty".