31000332102212 has 48 divisors (see below), whose sum is σ = 59421169080000. Its totient is φ = 14034228240000.

The previous prime is 31000332102197. The next prime is 31000332102241. The reversal of 31000332102212 is 21220123300013.

It is a super-2 number, since 2×31000332102212² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272475914 + ... + 272589662.

It is an arithmetic number, because the mean of its divisors is an integer number (1237941022500).

Almost surely, 2^{31000332102212} is an apocalyptic number.

It is an amenable number.

31000332102212 is a deficient number, since it is larger than the sum of its proper divisors (28420836977788).

31000332102212 is a wasteful number, since it uses less digits than its factorization.

31000332102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138692 (or 138690 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31000332102212 its reverse (21220123300013), we get a palindrome (52220455402225).

The spelling of 31000332102212 in words is "thirty-one trillion, three hundred thirty-two million, one hundred two thousand, two hundred twelve".