130544731 has 2 divisors, whose sum is σ = 130544732. Its totient is φ = 130544730.

The previous prime is 130544707. The next prime is 130544753. The reversal of 130544731 is 137445031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130544731 - 2¹¹ = 130542683 is a prime.

It is a super-2 number, since 2×130544731² = 34083853583724722, 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 130544731.

It is not a weakly prime, because it can be changed into another prime (130544761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65272365 + 65272366.

It is an arithmetic number, because the mean of its divisors is an integer number (65272366).

Almost surely, 2^130544731 is an apocalyptic number.

130544731 is a deficient number, since it is larger than the sum of its proper divisors (1).

130544731 is an equidigital number, since it uses as much as digits as its factorization.

130544731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 130544731 is about 11425.6173137385. The cubic root of 130544731 is about 507.2862791683.

Adding to 130544731 its reverse (137445031), we get a palindrome (267989762).

The spelling of 130544731 in words is "one hundred thirty million, five hundred forty-four thousand, seven hundred thirty-one".