230434399631 has 4 divisors (see below), whose sum is σ = 230848106472. Its totient is φ = 230020692792.

The previous prime is 230434399627. The next prime is 230434399667. The reversal of 230434399631 is 136993434032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230434399631 - 2² = 230434399627 is a prime.

It is a super-2 number, since 2×230434399631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230434399621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206852585 + ... + 206853698.

It is an arithmetic number, because the mean of its divisors is an integer number (57712026618).

Almost surely, 2^230434399631 is an apocalyptic number.

230434399631 is a deficient number, since it is larger than the sum of its proper divisors (413706841).

230434399631 is an equidigital number, since it uses as much as digits as its factorization.

230434399631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413706840.

The product of its (nonzero) digits is 1259712, while the sum is 47.

The spelling of 230434399631 in words is "two hundred thirty billion, four hundred thirty-four million, three hundred ninety-nine thousand, six hundred thirty-one".