31232021222102 has 16 divisors (see below), whose sum is σ = 48467268864000. Its totient is φ = 15076349104320.

The previous prime is 31232021222009. The next prime is 31232021222147. The reversal of 31232021222102 is 20122212023213.

It is a happy number.

It is a super-2 number, since 2×31232021222102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20293799 + ... + 21778482.

It is an arithmetic number, because the mean of its divisors is an integer number (3029204304000).

Almost surely, 2^{31232021222102} is an apocalyptic number.

31232021222102 is a deficient number, since it is larger than the sum of its proper divisors (17235247641898).

31232021222102 is a wasteful number, since it uses less digits than its factorization.

31232021222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42085111.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31232021222102 its reverse (20122212023213), we get a palindrome (51354233245315).

The spelling of 31232021222102 in words is "thirty-one trillion, two hundred thirty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred two".