231434143319 has 2 divisors, whose sum is σ = 231434143320. Its totient is φ = 231434143318.

The previous prime is 231434143207. The next prime is 231434143321. The reversal of 231434143319 is 913341434132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231434143319 is a prime.

It is a super-2 number, since 2×231434143319² (a number of 24 digits) contains 22 as substring.

Together with 231434143321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231434143019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115717071659 + 115717071660.

It is an arithmetic number, because the mean of its divisors is an integer number (115717071660).

Almost surely, 2^231434143319 is an apocalyptic number.

231434143319 is a deficient number, since it is larger than the sum of its proper divisors (1).

231434143319 is an equidigital number, since it uses as much as digits as its factorization.

231434143319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The spelling of 231434143319 in words is "two hundred thirty-one billion, four hundred thirty-four million, one hundred forty-three thousand, three hundred nineteen".