1231430322319 has 2 divisors, whose sum is σ = 1231430322320. Its totient is φ = 1231430322318.

The previous prime is 1231430322301. The next prime is 1231430322323. The reversal of 1231430322319 is 9132230341321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231430322319 - 2²⁹ = 1230893451407 is a prime.

It is a super-2 number, since 2×1231430322319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231430322919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615715161159 + 615715161160.

It is an arithmetic number, because the mean of its divisors is an integer number (615715161160).

Almost surely, 2^{1231430322319} is an apocalyptic number.

1231430322319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231430322319 is an equidigital number, since it uses as much as digits as its factorization.

1231430322319 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 1231430322319 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred twenty-two thousand, three hundred nineteen".