131321130 has 32 divisors (see below), whose sum is σ = 316540224. Its totient is φ = 34866816.

The previous prime is 131321101. The next prime is 131321131. The reversal of 131321130 is 31123131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (131321131) 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, 2404 + ... + 16383.

It is an arithmetic number, because the mean of its divisors is an integer number (9891882).

Almost surely, 2^131321130 is an apocalyptic number.

131321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131321130 is an abundant number, since it is smaller than the sum of its proper divisors (185219094).

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

131321130 is a wasteful number, since it uses less digits than its factorization.

131321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131321130 is about 11459.5431846126. The cubic root of 131321130 is about 508.2899666190.

Adding to 131321130 its reverse (31123131), we get a palindrome (162444261).

The spelling of 131321130 in words is "one hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty".