231424312135 has 16 divisors (see below), whose sum is σ = 278149946112. Its totient is φ = 184845740800.

The previous prime is 231424312129. The next prime is 231424312139. The reversal of 231424312135 is 531213424132.

It is not a de Polignac number, because 231424312135 - 2⁹ = 231424311623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231424312097 and 231424312106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231424312139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20811597 + ... + 20822713.

It is an arithmetic number, because the mean of its divisors is an integer number (17384371632).

Almost surely, 2^231424312135 is an apocalyptic number.

231424312135 is a deficient number, since it is larger than the sum of its proper divisors (46725633977).

231424312135 is a wasteful number, since it uses less digits than its factorization.

231424312135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354.

The product of its digits is 17280, while the sum is 31.

Adding to 231424312135 its reverse (531213424132), we get a palindrome (762637736267).

The spelling of 231424312135 in words is "two hundred thirty-one billion, four hundred twenty-four million, three hundred twelve thousand, one hundred thirty-five".