31010201112212 has 36 divisors (see below), whose sum is σ = 63128227194144. Its totient is φ = 13290019288560.

The previous prime is 31010201112211. The next prime is 31010201112263. The reversal of 31010201112212 is 21221110201013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010201112211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74068787 + ... + 74486277.

It is an arithmetic number, because the mean of its divisors is an integer number (1753561866504).

Almost surely, 2^{31010201112212} is an apocalyptic number.

It is an amenable number.

31010201112212 is an abundant number, since it is smaller than the sum of its proper divisors (32118026081932).

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

31010201112212 is a wasteful number, since it uses less digits than its factorization.

31010201112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796476 (or 796467 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 31010201112212 its reverse (21221110201013), we get a palindrome (52231311313225).

The spelling of 31010201112212 in words is "thirty-one trillion, ten billion, two hundred one million, one hundred twelve thousand, two hundred twelve".