311013212202102 has 32 divisors (see below), whose sum is σ = 633942361392480. Its totient is φ = 101686189812480.

The previous prime is 311013212202083. The next prime is 311013212202163. The reversal of 311013212202102 is 201202212310113.

It is a congruent number.

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, 137448049 + ... + 139692492.

It is an arithmetic number, because the mean of its divisors is an integer number (19810698793515).

Almost surely, 2^{311013212202102} is an apocalyptic number.

311013212202102 is an abundant number, since it is smaller than the sum of its proper divisors (322929149190378).

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

311013212202102 is a wasteful number, since it uses less digits than its factorization.

311013212202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277144128.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 311013212202102 its reverse (201202212310113), we get a palindrome (512215424512215).

The spelling of 311013212202102 in words is "three hundred eleven trillion, thirteen billion, two hundred twelve million, two hundred two thousand, one hundred two".