22431210324331 has 4 divisors (see below), whose sum is σ = 22431416380992. Its totient is φ = 22431004267672.

The previous prime is 22431210324283. The next prime is 22431210324361. The reversal of 22431210324331 is 13342301213422.

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 22431210324331 - 2¹³ = 22431210316139 is a prime.

It is a super-2 number, since 2×22431210324331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22431210324293 and 22431210324302.

It is not an unprimeable number, because it can be changed into a prime (22431210324361) 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, 102864955 + ... + 103082788.

It is an arithmetic number, because the mean of its divisors is an integer number (5607854095248).

Almost surely, 2^{22431210324331} is an apocalyptic number.

22431210324331 is a deficient number, since it is larger than the sum of its proper divisors (206056661).

22431210324331 is a wasteful number, since it uses less digits than its factorization.

22431210324331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206056660.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 22431210324331 its reverse (13342301213422), we get a palindrome (35773511537753).

The spelling of 22431210324331 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred ten million, three hundred twenty-four thousand, three hundred thirty-one".