130031044 has 48 divisors (see below), whose sum is σ = 271938240. Its totient is φ = 53619840.

The previous prime is 130031023. The next prime is 130031051. The reversal of 130031044 is 440130031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31822 + ... + 35674.

It is an arithmetic number, because the mean of its divisors is an integer number (5665380).

Almost surely, 2^130031044 is an apocalyptic number.

It is an amenable number.

130031044 is an abundant number, since it is smaller than the sum of its proper divisors (141907196).

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

130031044 is a wasteful number, since it uses less digits than its factorization.

130031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130031044 is about 11403.1155391849. The cubic root of 130031044 is about 506.6200224450.

Adding to 130031044 its reverse (440130031), we get a palindrome (570161075).

The spelling of 130031044 in words is "one hundred thirty million, thirty-one thousand, forty-four".