130031345 has 16 divisors (see below), whose sum is σ = 164868480. Its totient is φ = 98179200.

The previous prime is 130031333. The next prime is 130031381. The reversal of 130031345 is 543130031.

It is a happy number.

It is not a de Polignac number, because 130031345 - 2⁸ = 130031089 is a prime.

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, 24260 + ... + 29130.

It is an arithmetic number, because the mean of its divisors is an integer number (10304280).

Almost surely, 2^130031345 is an apocalyptic number.

It is an amenable number.

130031345 is a deficient number, since it is larger than the sum of its proper divisors (34837135).

130031345 is a wasteful number, since it uses less digits than its factorization.

130031345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 130031345 is about 11403.1287373247. The cubic root of 130031345 is about 506.6204133581.

Adding to 130031345 its reverse (543130031), we get a palindrome (673161376).

The spelling of 130031345 in words is "one hundred thirty million, thirty-one thousand, three hundred forty-five".