130131234 has 12 divisors (see below), whose sum is σ = 281951046. Its totient is φ = 43377072.

The previous prime is 130131229. The next prime is 130131241. The reversal of 130131234 is 432131031.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 17665209 = 10605^2 + 4203^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7229513 = 130131234 / (1 + 3 + 0 + 1 + 3 + 1 + 2 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3614739 + ... + 3614774.

Almost surely, 2^130131234 is an apocalyptic number.

130131234 is an abundant number, since it is smaller than the sum of its proper divisors (151819812).

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

130131234 is a wasteful number, since it uses less digits than its factorization.

130131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229521 (or 7229518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130131234 is about 11407.5077909244. The cubic root of 130131234 is about 506.7501073527.

Adding to 130131234 its reverse (432131031), we get a palindrome (562262265).

The spelling of 130131234 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred thirty-four".