130247031 has 8 divisors (see below), whose sum is σ = 174912640. Its totient is φ = 86206392.

The previous prime is 130246981. The next prime is 130247069. The reversal of 130247031 is 130742031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130247031 - 2²⁶ = 63138167 is a prime.

It is a super-2 number, since 2×130247031² = 33928578168629922, 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 = 130246989 and 130247007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130247231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155755 + ... + 156588.

It is an arithmetic number, because the mean of its divisors is an integer number (21864080).

Almost surely, 2^130247031 is an apocalyptic number.

130247031 is a deficient number, since it is larger than the sum of its proper divisors (44665609).

130247031 is a wasteful number, since it uses less digits than its factorization.

130247031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312485.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 130247031 is about 11412.5821355204. The cubic root of 130247031 is about 506.9003729564.

Adding to 130247031 its reverse (130742031), we get a palindrome (260989062).

The spelling of 130247031 in words is "one hundred thirty million, two hundred forty-seven thousand, thirty-one".