130531369 has 2 divisors, whose sum is σ = 130531370. Its totient is φ = 130531368.

The previous prime is 130531351. The next prime is 130531381. The reversal of 130531369 is 963135031.

130531369 = T₉₃₂₇ + T₉₃₂₈ + T₉₃₂₉.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125148969 + 5382400 = 11187^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 130531369 - 2¹⁵ = 130498601 is a prime.

It is a super-2 number, since 2×130531369² = 34076876586028322, 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 130531369.

It is not a weakly prime, because it can be changed into another prime (130531319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65265684 + 65265685.

It is an arithmetic number, because the mean of its divisors is an integer number (65265685).

Almost surely, 2^130531369 is an apocalyptic number.

130531369 is the 9329-th centered triangular number.

It is an amenable number.

130531369 is a deficient number, since it is larger than the sum of its proper divisors (1).

130531369 is an equidigital number, since it uses as much as digits as its factorization.

130531369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 130531369 is about 11425.0325601287. The cubic root of 130531369 is about 507.2689706936.

The spelling of 130531369 in words is "one hundred thirty million, five hundred thirty-one thousand, three hundred sixty-nine".