3111213013320 has 64 divisors (see below), whose sum is σ = 9532227121920. Its totient is φ = 812004529664.

The previous prime is 3111213013309. The next prime is 3111213013333. The reversal of 3111213013320 is 233103121113.

It is a happy 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, 275811117 + ... + 275822396.

It is an arithmetic number, because the mean of its divisors is an integer number (148941048780).

Almost surely, 2^{3111213013320} is an apocalyptic number.

3111213013320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3111213013320 is an abundant number, since it is smaller than the sum of its proper divisors (6421014108600).

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

3111213013320 is a wasteful number, since it uses less digits than its factorization.

3111213013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551633574 (or 551633570 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3111213013320 its reverse (233103121113), we get a palindrome (3344316134433).

The spelling of 3111213013320 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, thirteen thousand, three hundred twenty".