31232232343 has 4 divisors (see below), whose sum is σ = 33634711768. Its totient is φ = 28829752920.

The previous prime is 31232232337. The next prime is 31232232379. The reversal of 31232232343 is 34323223213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31232232343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232232443) 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, 1201239693 + ... + 1201239718.

It is an arithmetic number, because the mean of its divisors is an integer number (8408677942).

Almost surely, 2^31232232343 is an apocalyptic number.

31232232343 is a deficient number, since it is larger than the sum of its proper divisors (2402479425).

31232232343 is a wasteful number, since it uses less digits than its factorization.

31232232343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402479424.

The product of its digits is 15552, while the sum is 28.

Adding to 31232232343 its reverse (34323223213), we get a palindrome (65555455556).

The spelling of 31232232343 in words is "thirty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred forty-three".