31202020120222 has 16 divisors (see below), whose sum is σ = 53497347534720. Its totient is φ = 13370251790808.

The previous prime is 31202020120123. The next prime is 31202020120253. The reversal of 31202020120222 is 22202102020213.

It is a super-3 number, since 3×31202020120222³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 31202020120222.

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, 170117272 + ... + 170300587.

It is an arithmetic number, because the mean of its divisors is an integer number (3343584220920).

Almost surely, 2^{31202020120222} is an apocalyptic number.

31202020120222 is a deficient number, since it is larger than the sum of its proper divisors (22295327414498).

31202020120222 is a wasteful number, since it uses less digits than its factorization.

31202020120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340424415.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31202020120222 its reverse (22202102020213), we get a palindrome (53404122140435).

The spelling of 31202020120222 in words is "thirty-one trillion, two hundred two billion, twenty million, one hundred twenty thousand, two hundred twenty-two".