22321310031 has 6 divisors (see below), whose sum is σ = 32241892280. Its totient is φ = 14880873348.

The previous prime is 22321309979. The next prime is 22321310041. The reversal of 22321310031 is 13001312322.

22321310031 is a `hidden beast` number, since 2 + 2 + 321 + 310 + 0 + 31 = 666.

It is not a de Polignac number, because 22321310031 - 2²² = 22317115727 is a prime.

It is a super-3 number, since 3×22321310031³ (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 = 22321309986 and 22321310013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321310041) 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 5 ways as a sum of consecutive naturals, for example, 1240072771 + ... + 1240072788.

Almost surely, 2^22321310031 is an apocalyptic number.

22321310031 is a deficient number, since it is larger than the sum of its proper divisors (9920582249).

22321310031 is a wasteful number, since it uses less digits than its factorization.

22321310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480145565 (or 2480145562 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22321310031 its reverse (13001312322), we get a palindrome (35322622353).

The spelling of 22321310031 in words is "twenty-two billion, three hundred twenty-one million, three hundred ten thousand, thirty-one".