130031814 has 32 divisors (see below), whose sum is σ = 287712000. Its totient is φ = 38847200.

The previous prime is 130031813. The next prime is 130031831. The reversal of 130031814 is 418130031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031813) 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, 9189 + ... + 18560.

It is an arithmetic number, because the mean of its divisors is an integer number (8991000).

Almost surely, 2^130031814 is an apocalyptic number.

130031814 is an abundant number, since it is smaller than the sum of its proper divisors (157680186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130031814 is a wasteful number, since it uses less digits than its factorization.

130031814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27836.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 130031814 is about 11403.1493018376. The cubic root of 130031814 is about 506.6210224540.

Adding to 130031814 its reverse (418130031), we get a palindrome (548161845).

The spelling of 130031814 in words is "one hundred thirty million, thirty-one thousand, eight hundred fourteen".