231320433343 has 12 divisors (see below), whose sum is σ = 240566339728. Its totient is φ = 222416933760.

The previous prime is 231320433341. The next prime is 231320433367. The reversal of 231320433343 is 343334023132.

It is not a de Polignac number, because 231320433343 - 2¹ = 231320433341 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231320433341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367971 + ... + 773332.

Almost surely, 2^231320433343 is an apocalyptic number.

231320433343 is a deficient number, since it is larger than the sum of its proper divisors (9245906385).

231320433343 is a wasteful number, since it uses less digits than its factorization.

231320433343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141602 (or 1141573 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 231320433343 its reverse (343334023132), we get a palindrome (574654456475).

The spelling of 231320433343 in words is "two hundred thirty-one billion, three hundred twenty million, four hundred thirty-three thousand, three hundred forty-three".