31233314023 has 4 divisors (see below), whose sum is σ = 31237149328. Its totient is φ = 31229478720.

The previous prime is 31233313999. The next prime is 31233314083. The reversal of 31233314023 is 32041333213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32041333213 = 13411 ⋅2389183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31233314023 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 (31233314083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905411 + ... + 1921732.

It is an arithmetic number, because the mean of its divisors is an integer number (7809287332).

Almost surely, 2^31233314023 is an apocalyptic number.

31233314023 is a deficient number, since it is larger than the sum of its proper divisors (3835305).

31233314023 is an equidigital number, since it uses as much as digits as its factorization.

31233314023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835304.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31233314023 its reverse (32041333213), we get a palindrome (63274647236).

The spelling of 31233314023 in words is "thirty-one billion, two hundred thirty-three million, three hundred fourteen thousand, twenty-three".