130731404 has 12 divisors (see below), whose sum is σ = 229222728. Its totient is φ = 65239200.

The previous prime is 130731401. The next prime is 130731427. The reversal of 130731404 is 404137031.

It is a super-2 number, since 2×130731404² = 34181399983622432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130731404.

It is not an unprimeable number, because it can be changed into a prime (130731401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29282 + ... + 33449.

It is an arithmetic number, because the mean of its divisors is an integer number (19101894).

Almost surely, 2^130731404 is an apocalyptic number.

It is an amenable number.

130731404 is a deficient number, since it is larger than the sum of its proper divisors (98491324).

130731404 is a wasteful number, since it uses less digits than its factorization.

130731404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63256 (or 63254 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 130731404 is about 11433.7834508093. The cubic root of 130731404 is about 507.5279627389.

Adding to 130731404 its reverse (404137031), we get a palindrome (534868435).

The spelling of 130731404 in words is "one hundred thirty million, seven hundred thirty-one thousand, four hundred four".