130031031 has 16 divisors (see below), whose sum is σ = 189273056. Its totient is φ = 78921216.

The previous prime is 130031023. The next prime is 130031051. The reversal of 130031031 is 130130031.

It is not a de Polignac number, because 130031031 - 2³ = 130031023 is a prime.

It is a super-2 number, since 2×130031031² = 33816138045845922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130030998 and 130031016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031051) 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, 19990 + ... + 25683.

It is an arithmetic number, because the mean of its divisors is an integer number (11829566).

Almost surely, 2^130031031 is an apocalyptic number.

130031031 is a deficient number, since it is larger than the sum of its proper divisors (59242025).

130031031 is a wasteful number, since it uses less digits than its factorization.

130031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45762.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 130031031 is about 11403.1149691652. The cubic root of 130031031 is about 506.6200055617.

Adding to 130031031 its reverse (130130031), we get a palindrome (260161062).

The spelling of 130031031 in words is "one hundred thirty million, thirty-one thousand, thirty-one".