22133231031 has 32 divisors (see below), whose sum is σ = 30193067520. Its totient is φ = 14417823744.

The previous prime is 22133230981. The next prime is 22133231063. The reversal of 22133231031 is 13013233122.

It is not a de Polignac number, because 22133231031 - 2³³ = 13543296439 is a prime.

It is a super-2 number, since 2×22133231031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22133230989 and 22133231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133211031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37323871 + ... + 37324463.

It is an arithmetic number, because the mean of its divisors is an integer number (943533360).

Almost surely, 2^22133231031 is an apocalyptic number.

22133231031 is a deficient number, since it is larger than the sum of its proper divisors (8059836489).

22133231031 is a wasteful number, since it uses less digits than its factorization.

22133231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22133231031 its reverse (13013233122), we get a palindrome (35146464153).

The spelling of 22133231031 in words is "twenty-two billion, one hundred thirty-three million, two hundred thirty-one thousand, thirty-one".