231430034447 has 2 divisors, whose sum is σ = 231430034448. Its totient is φ = 231430034446.

The previous prime is 231430034401. The next prime is 231430034519. The reversal of 231430034447 is 744430034132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231430034447 - 2¹⁰ = 231430033423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231430034347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115715017223 + 115715017224.

It is an arithmetic number, because the mean of its divisors is an integer number (115715017224).

Almost surely, 2^231430034447 is an apocalyptic number.

231430034447 is a deficient number, since it is larger than the sum of its proper divisors (1).

231430034447 is an equidigital number, since it uses as much as digits as its factorization.

231430034447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 231430034447 its reverse (744430034132), we get a palindrome (975860068579).

The spelling of 231430034447 in words is "two hundred thirty-one billion, four hundred thirty million, thirty-four thousand, four hundred forty-seven".