130431613 has 8 divisors (see below), whose sum is σ = 140601888. Its totient is φ = 120280944.

The previous prime is 130431593. The next prime is 130431617. The reversal of 130431613 is 316134031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130431613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130431617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10806 + ... + 19432.

It is an arithmetic number, because the mean of its divisors is an integer number (17575236).

Almost surely, 2^130431613 is an apocalyptic number.

130431613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130431613 is a deficient number, since it is larger than the sum of its proper divisors (10170275).

130431613 is a wasteful number, since it uses less digits than its factorization.

130431613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130431613 is about 11420.6660488782. Note that the first 3 decimals coincide. The cubic root of 130431613 is about 507.1397143569.

Adding to 130431613 its reverse (316134031), we get a palindrome (446565644).

It can be divided in two parts, 130431 and 613, that added together give a square (131044 = 362²).

The spelling of 130431613 in words is "one hundred thirty million, four hundred thirty-one thousand, six hundred thirteen".