130031252 has 12 divisors (see below), whose sum is σ = 245058996. Its totient is φ = 60014400.

The previous prime is 130031243. The next prime is 130031263. The reversal of 130031252 is 252130031.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 120209296 = 3134^2 + 10964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130031252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250249 + ... + 1250352.

It is an arithmetic number, because the mean of its divisors is an integer number (20421583).

Almost surely, 2^130031252 is an apocalyptic number.

It is an amenable number.

130031252 is a deficient number, since it is larger than the sum of its proper divisors (115027744).

130031252 is a wasteful number, since it uses less digits than its factorization.

130031252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500618 (or 2500616 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130031252 is about 11403.1246594957. The cubic root of 130031252 is about 506.6202925777.

Adding to 130031252 its reverse (252130031), we get a palindrome (382161283).

The spelling of 130031252 in words is "one hundred thirty million, thirty-one thousand, two hundred fifty-two".