131949490319 has 2 divisors, whose sum is σ = 131949490320. Its totient is φ = 131949490318.

The previous prime is 131949490289. The next prime is 131949490331. The reversal of 131949490319 is 913094949131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131949490319 - 2⁸ = 131949490063 is a prime.

It is a super-2 number, since 2×131949490319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131949492319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65974745159 + 65974745160.

It is an arithmetic number, because the mean of its divisors is an integer number (65974745160).

Almost surely, 2^131949490319 is an apocalyptic number.

131949490319 is a deficient number, since it is larger than the sum of its proper divisors (1).

131949490319 is an equidigital number, since it uses as much as digits as its factorization.

131949490319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 131949490319 in words is "one hundred thirty-one billion, nine hundred forty-nine million, four hundred ninety thousand, three hundred nineteen".