3101311012212 has 72 divisors (see below), whose sum is σ = 8984723756736. Its totient is φ = 883578668544.

The previous prime is 3101311012181. The next prime is 3101311012337. The reversal of 3101311012212 is 2122101131013.

3101311012212 is a `hidden beast` number, since 310 + 1 + 31 + 101 + 221 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17342758 + ... + 17520669.

Almost surely, 2^{3101311012212} is an apocalyptic number.

It is an amenable number.

3101311012212 is an abundant number, since it is smaller than the sum of its proper divisors (5883412744524).

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

3101311012212 is a wasteful number, since it uses less digits than its factorization.

3101311012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34863797 (or 34863792 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 3101311012212 its reverse (2122101131013), we get a palindrome (5223412143225).

The spelling of 3101311012212 in words is "three trillion, one hundred one billion, three hundred eleven million, twelve thousand, two hundred twelve".