31232100212023 has 4 divisors (see below), whose sum is σ = 31232151233920. Its totient is φ = 31232049190128.

The previous prime is 31232100211993. The next prime is 31232100212141. The reversal of 31232100212023 is 32021200123213.

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

It is a cyclic number.

It is not a de Polignac number, because 31232100212023 - 2²¹ = 31232098114871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31232100211985 and 31232100212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232100222023) 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, 24581463 + ... + 25820776.

It is an arithmetic number, because the mean of its divisors is an integer number (7808037808480).

Almost surely, 2^{31232100212023} is an apocalyptic number.

31232100212023 is a deficient number, since it is larger than the sum of its proper divisors (51021897).

31232100212023 is an equidigital number, since it uses as much as digits as its factorization.

31232100212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51021896.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31232100212023 its reverse (32021200123213), we get a palindrome (63253300335236).

The spelling of 31232100212023 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred million, two hundred twelve thousand, twenty-three".