22312231031 has 8 divisors (see below), whose sum is σ = 23489596800. Its totient is φ = 21135169080.

The previous prime is 22312230989. The next prime is 22312231099. The reversal of 22312231031 is 13013221322.

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

It is not a de Polignac number, because 22312231031 - 2²² = 22308036727 is a prime.

It is a super-3 number, since 3×22312231031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22312230994 and 22312231012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312231531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83390 + ... + 227108.

It is an arithmetic number, because the mean of its divisors is an integer number (2936199600).

Almost surely, 2^22312231031 is an apocalyptic number.

22312231031 is a deficient number, since it is larger than the sum of its proper divisors (1177365769).

22312231031 is a wasteful number, since it uses less digits than its factorization.

22312231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151909.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22312231031 its reverse (13013221322), we get a palindrome (35325452353).

The spelling of 22312231031 in words is "twenty-two billion, three hundred twelve million, two hundred thirty-one thousand, thirty-one".