22013032431 has 8 divisors (see below), whose sum is σ = 31608456880. Its totient is φ = 13546481472.

The previous prime is 22013032423. The next prime is 22013032501. The reversal of 22013032431 is 13423031022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22013032431 - 2³ = 22013032423 is a prime.

It is a super-2 number, since 2×22013032431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22013032398 and 22013032407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013032421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282218326 + ... + 282218403.

It is an arithmetic number, because the mean of its divisors is an integer number (3951057110).

Almost surely, 2^22013032431 is an apocalyptic number.

22013032431 is a deficient number, since it is larger than the sum of its proper divisors (9595424449).

22013032431 is a wasteful number, since it uses less digits than its factorization.

22013032431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564436745.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22013032431 its reverse (13423031022), we get a palindrome (35436063453).

The spelling of 22013032431 in words is "twenty-two billion, thirteen million, thirty-two thousand, four hundred thirty-one".