131433420319 has 2 divisors, whose sum is σ = 131433420320. Its totient is φ = 131433420318.

The previous prime is 131433420277. The next prime is 131433420403. The reversal of 131433420319 is 913024334131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131433420319 - 2¹¹ = 131433418271 is a prime.

It is a super-2 number, since 2×131433420319² (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 (131433430319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65716710159 + 65716710160.

It is an arithmetic number, because the mean of its divisors is an integer number (65716710160).

Almost surely, 2^131433420319 is an apocalyptic number.

131433420319 is a deficient number, since it is larger than the sum of its proper divisors (1).

131433420319 is an equidigital number, since it uses as much as digits as its factorization.

131433420319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 131433420319 in words is "one hundred thirty-one billion, four hundred thirty-three million, four hundred twenty thousand, three hundred nineteen".