2311220130312 has 16 divisors (see below), whose sum is σ = 5778050325840. Its totient is φ = 770406710096.

The previous prime is 2311220130251. The next prime is 2311220130337. The reversal of 2311220130312 is 2130310221132.

It is a super-2 number, since 2×2311220130312² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48150419358 + ... + 48150419405.

It is an arithmetic number, because the mean of its divisors is an integer number (361128145365).

Almost surely, 2^{2311220130312} is an apocalyptic number.

It is an amenable number.

2311220130312 is an abundant number, since it is smaller than the sum of its proper divisors (3466830195528).

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

2311220130312 is a wasteful number, since it uses less digits than its factorization.

2311220130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96300838772 (or 96300838768 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2311220130312 its reverse (2130310221132), we get a palindrome (4441530351444).

The spelling of 2311220130312 in words is "two trillion, three hundred eleven billion, two hundred twenty million, one hundred thirty thousand, three hundred twelve".