31233423245 has 16 divisors (see below), whose sum is σ = 38239629120. Its totient is φ = 24483153024.

The previous prime is 31233423241. The next prime is 31233423253. The reversal of 31233423245 is 54232433213.

It is a cyclic number.

It is not a de Polignac number, because 31233423245 - 2² = 31233423241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233423241) 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, 81872 + ... + 263001.

It is an arithmetic number, because the mean of its divisors is an integer number (2389976820).

Almost surely, 2^31233423245 is an apocalyptic number.

It is an amenable number.

31233423245 is a deficient number, since it is larger than the sum of its proper divisors (7006205875).

31233423245 is a wasteful number, since it uses less digits than its factorization.

31233423245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345244.

The product of its digits is 51840, while the sum is 32.

Adding to 31233423245 its reverse (54232433213), we get a palindrome (85465856458).

The spelling of 31233423245 in words is "thirty-one billion, two hundred thirty-three million, four hundred twenty-three thousand, two hundred forty-five".