31200222412423 has 4 divisors (see below), whose sum is σ = 31234621776520. Its totient is φ = 31165823048328.

The previous prime is 31200222412421. The next prime is 31200222412477. The reversal of 31200222412423 is 32421422200213.

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 31200222412423 - 2¹ = 31200222412421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31200222412391 and 31200222412400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200222412421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17199680688 + ... + 17199682501.

It is an arithmetic number, because the mean of its divisors is an integer number (7808655444130).

Almost surely, 2^{31200222412423} is an apocalyptic number.

31200222412423 is a deficient number, since it is larger than the sum of its proper divisors (34399364097).

31200222412423 is an equidigital number, since it uses as much as digits as its factorization.

31200222412423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34399364096.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31200222412423 its reverse (32421422200213), we get a palindrome (63621644612636).

The spelling of 31200222412423 in words is "thirty-one trillion, two hundred billion, two hundred twenty-two million, four hundred twelve thousand, four hundred twenty-three".