131880013 has 2 divisors, whose sum is σ = 131880014. Its totient is φ = 131880012.

The previous prime is 131879971. The next prime is 131880017. The reversal of 131880013 is 310088131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129117769 + 2762244 = 11363^2 + 1662^2 .

It is an emirp because it is prime and its reverse (310088131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131880013 - 2¹³ = 131871821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131880013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131880017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65940006 + 65940007.

It is an arithmetic number, because the mean of its divisors is an integer number (65940007).

Almost surely, 2^131880013 is an apocalyptic number.

It is an amenable number.

131880013 is a deficient number, since it is larger than the sum of its proper divisors (1).

131880013 is an equidigital number, since it uses as much as digits as its factorization.

131880013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 131880013 is about 11483.9023419742. The cubic root of 131880013 is about 509.0100146889.

The spelling of 131880013 in words is "one hundred thirty-one million, eight hundred eighty thousand, thirteen".