231414434431 has 4 divisors (see below), whose sum is σ = 231481846672. Its totient is φ = 231347022192.

The previous prime is 231414434371. The next prime is 231414434441. The reversal of 231414434431 is 134434414132.

231414434431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231414434431 - 2¹⁵ = 231414401663 is a prime.

It is a super-2 number, since 2×231414434431² (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 (231414434441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33700971 + ... + 33707836.

It is an arithmetic number, because the mean of its divisors is an integer number (57870461668).

Almost surely, 2^231414434431 is an apocalyptic number.

231414434431 is a deficient number, since it is larger than the sum of its proper divisors (67412241).

231414434431 is an equidigital number, since it uses as much as digits as its factorization.

231414434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67412240.

The product of its digits is 55296, while the sum is 34.

Adding to 231414434431 its reverse (134434414132), we get a palindrome (365848848563).

The spelling of 231414434431 in words is "two hundred thirty-one billion, four hundred fourteen million, four hundred thirty-four thousand, four hundred thirty-one".