130331389 has 2 divisors, whose sum is σ = 130331390. Its totient is φ = 130331388.

The previous prime is 130331387. The next prime is 130331407. The reversal of 130331389 is 983133031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 48066489 = 9070^2 + 6933^2 .

It is a cyclic number.

It is not a de Polignac number, because 130331389 - 2¹ = 130331387 is a prime.

Together with 130331387, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130331389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130331387) 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 as a sum of consecutive naturals, namely, 65165694 + 65165695.

It is an arithmetic number, because the mean of its divisors is an integer number (65165695).

Almost surely, 2^130331389 is an apocalyptic number.

It is an amenable number.

130331389 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331389 is an equidigital number, since it uses as much as digits as its factorization.

130331389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 130331389 is about 11416.2773704917. The cubic root of 130331389 is about 507.0097852347.

The spelling of 130331389 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred eighty-nine".