130181031 has 12 divisors (see below), whose sum is σ = 188173752. Its totient is φ = 86725296.

The previous prime is 130180993. The next prime is 130181033.

It is a happy number.

130181031 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 130181031 - 2⁷ = 130180903 is a prime.

It is a super-2 number, since 2×130181031² = 33894201664445922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130180995 and 130181013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130181033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10665 + ... + 19341.

It is an arithmetic number, because the mean of its divisors is an integer number (15681146).

Almost surely, 2^130181031 is an apocalyptic number.

130181031 is a deficient number, since it is larger than the sum of its proper divisors (57992721).

130181031 is a wasteful number, since it uses less digits than its factorization.

130181031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 130181031 is about 11409.6902236651. The cubic root of 130181031 is about 506.8147380494.

The spelling of 130181031 in words is "one hundred thirty million, one hundred eighty-one thousand, thirty-one".