231335510315343 has 32 divisors (see below), whose sum is σ = 360109036584960. Its totient is φ = 129344075756640.

The previous prime is 231335510315339. The next prime is 231335510315369. The reversal of 231335510315343 is 343513015533132.

It is not a de Polignac number, because 231335510315343 - 2² = 231335510315339 is a prime.

It is a super-2 number, since 2×231335510315343² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231335510315295 and 231335510315304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231335510315383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28107523 + ... + 35393556.

It is an arithmetic number, because the mean of its divisors is an integer number (11253407393280).

Almost surely, 2^{231335510315343} is an apocalyptic number.

231335510315343 is a deficient number, since it is larger than the sum of its proper divisors (128773526269617).

231335510315343 is a wasteful number, since it uses less digits than its factorization.

231335510315343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63504827.

The product of its (nonzero) digits is 729000, while the sum is 42.

Adding to 231335510315343 its reverse (343513015533132), we get a palindrome (574848525848475).

The spelling of 231335510315343 in words is "two hundred thirty-one trillion, three hundred thirty-five billion, five hundred ten million, three hundred fifteen thousand, three hundred forty-three".