20031102213331 has 16 divisors (see below), whose sum is σ = 22023829352448. Its totient is φ = 18067056685600.

The previous prime is 20031102213329. The next prime is 20031102213347. The reversal of 20031102213331 is 13331220113002.

It is a cyclic number.

It is not a de Polignac number, because 20031102213331 - 2¹ = 20031102213329 is a prime.

It is a super-2 number, since 2×20031102213331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20031102213301) 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, 4927470 + ... + 8021356.

It is an arithmetic number, because the mean of its divisors is an integer number (1376489334528).

Almost surely, 2^{20031102213331} is an apocalyptic number.

20031102213331 is a deficient number, since it is larger than the sum of its proper divisors (1992727139117).

20031102213331 is a wasteful number, since it uses less digits than its factorization.

20031102213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098522.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20031102213331 its reverse (13331220113002), we get a palindrome (33362322326333).

The spelling of 20031102213331 in words is "twenty trillion, thirty-one billion, one hundred two million, two hundred thirteen thousand, three hundred thirty-one".