130531516 has 12 divisors (see below), whose sum is σ = 228510520. Its totient is φ = 65242800.

The previous prime is 130531487. The next prime is 130531517. The reversal of 130531516 is 615135031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130531517) 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, 17566 + ... + 23866.

Almost surely, 2^130531516 is an apocalyptic number.

It is an amenable number.

130531516 is a deficient number, since it is larger than the sum of its proper divisors (97979004).

130531516 is a wasteful number, since it uses less digits than its factorization.

130531516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484 (or 11482 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 130531516 is about 11425.0389933689. The cubic root of 130531516 is about 507.2691611165.

Adding to 130531516 its reverse (615135031), we get a palindrome (745666547).

The spelling of 130531516 in words is "one hundred thirty million, five hundred thirty-one thousand, five hundred sixteen".