130531469 has 2 divisors, whose sum is σ = 130531470. Its totient is φ = 130531468.

The previous prime is 130531451. The next prime is 130531487. The reversal of 130531469 is 964135031.

It is a balanced prime because it is at equal distance from previous prime (130531451) and next prime (130531487).

It can be written as a sum of positive squares in only one way, i.e., 70778569 + 59752900 = 8413^2 + 7730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130531469 is a prime.

It is a super-2 number, since 2×130531469² = 34076928798595922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130531409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65265734 + 65265735.

It is an arithmetic number, because the mean of its divisors is an integer number (65265735).

Almost surely, 2^130531469 is an apocalyptic number.

It is an amenable number.

130531469 is a deficient number, since it is larger than the sum of its proper divisors (1).

130531469 is an equidigital number, since it uses as much as digits as its factorization.

130531469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 130531469 is about 11425.0369364830. The cubic root of 130531469 is about 507.2691002330.

The spelling of 130531469 in words is "one hundred thirty million, five hundred thirty-one thousand, four hundred sixty-nine".