22030312031 has 16 divisors (see below), whose sum is σ = 27119500800. Its totient is φ = 17427188448.

The previous prime is 22030312027. The next prime is 22030312049. The reversal of 22030312031 is 13021303022.

It is a cyclic number.

It is not a de Polignac number, because 22030312031 - 2² = 22030312027 is a prime.

It is a super-2 number, since 2×22030312031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030312061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514400 + ... + 555578.

It is an arithmetic number, because the mean of its divisors is an integer number (1694968800).

Almost surely, 2^22030312031 is an apocalyptic number.

22030312031 is a deficient number, since it is larger than the sum of its proper divisors (5089188769).

22030312031 is a wasteful number, since it uses less digits than its factorization.

22030312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47078.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22030312031 its reverse (13021303022), we get a palindrome (35051615053).

Subtracting from 22030312031 its reverse (13021303022), we obtain a palindrome (9009009009).

The spelling of 22030312031 in words is "twenty-two billion, thirty million, three hundred twelve thousand, thirty-one".