2311222332320 has 48 divisors (see below), whose sum is σ = 5956650288288. Its totient is φ = 840444483840.

The previous prime is 2311222332313. The next prime is 2311222332347. The reversal of 2311222332320 is 232332221132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311222332320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656595494 + ... + 656599013.

It is an arithmetic number, because the mean of its divisors is an integer number (124096881006).

Almost surely, 2^{2311222332320} is an apocalyptic number.

2311222332320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311222332320 is an abundant number, since it is smaller than the sum of its proper divisors (3645427955968).

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

2311222332320 is a wasteful number, since it uses less digits than its factorization.

2311222332320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313194533 (or 1313194525 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2311222332320 its reverse (232332221132), we get a palindrome (2543554553452).

The spelling of 2311222332320 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty".