31232100233233 has 16 divisors (see below), whose sum is σ = 32421882597120. Its totient is φ = 30069317850624.

The previous prime is 31232100233197. The next prime is 31232100233249. The reversal of 31232100233233 is 33233200123213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31232100233233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31232100233293) 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, 22198816 + ... + 23563777.

It is an arithmetic number, because the mean of its divisors is an integer number (2026367662320).

Almost surely, 2^{31232100233233} is an apocalyptic number.

It is an amenable number.

31232100233233 is a deficient number, since it is larger than the sum of its proper divisors (1189782363887).

31232100233233 is a wasteful number, since it uses less digits than its factorization.

31232100233233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45762888.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31232100233233 its reverse (33233200123213), we get a palindrome (64465300356446).

The spelling of 31232100233233 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred million, two hundred thirty-three thousand, two hundred thirty-three".