31322101000212 has 144 divisors (see below), whose sum is σ = 90871072254144. Its totient is φ = 9009772992000.

The previous prime is 31322101000129. The next prime is 31322101000219. The reversal of 31322101000212 is 21200010122313.

31322101000212 is a `hidden beast` number, since 31 + 322 + 1 + 0 + 100 + 0 + 212 = 666.

It is a super-2 number, since 2×31322101000212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322101000219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25469214 + ... + 26670677.

It is an arithmetic number, because the mean of its divisors is an integer number (631049112876).

Almost surely, 2^{31322101000212} is an apocalyptic number.

It is an amenable number.

31322101000212 is an abundant number, since it is smaller than the sum of its proper divisors (59548971253932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31322101000212 is a wasteful number, since it uses less digits than its factorization.

31322101000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52139990 (or 52139985 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31322101000212 its reverse (21200010122313), we get a palindrome (52522111122525).

The spelling of 31322101000212 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred one million, two hundred twelve", and thus it is an aban number.