311300220102 has 32 divisors (see below), whose sum is σ = 628735810560. Its totient is φ = 102744469440.

The previous prime is 311300220089. The next prime is 311300220107. The reversal of 311300220102 is 201022003113.

It is a super-3 number, since 3×311300220102³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311300220107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762602 + ... + 4827522.

It is an arithmetic number, because the mean of its divisors is an integer number (19647994080).

Almost surely, 2^311300220102 is an apocalyptic number.

311300220102 is an abundant number, since it is smaller than the sum of its proper divisors (317435590458).

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

311300220102 is a wasteful number, since it uses less digits than its factorization.

311300220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72788.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 311300220102 its reverse (201022003113), we get a palindrome (512322223215).

The spelling of 311300220102 in words is "three hundred eleven billion, three hundred million, two hundred twenty thousand, one hundred two".