231335505343 has 4 divisors (see below), whose sum is σ = 231336493960. Its totient is φ = 231334516728.

The previous prime is 231335505341. The next prime is 231335505389. The reversal of 231335505343 is 343505533132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231335505343 - 2¹ = 231335505341 is a prime.

It is a super-2 number, since 2×231335505343² (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 (231335505341) 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, 76096 + ... + 684442.

It is an arithmetic number, because the mean of its divisors is an integer number (57834123490).

Almost surely, 2^231335505343 is an apocalyptic number.

231335505343 is a deficient number, since it is larger than the sum of its proper divisors (988617).

231335505343 is an equidigital number, since it uses as much as digits as its factorization.

231335505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988616.

The product of its (nonzero) digits is 243000, while the sum is 37.

The spelling of 231335505343 in words is "two hundred thirty-one billion, three hundred thirty-five million, five hundred five thousand, three hundred forty-three".