2231311123320 has 128 divisors (see below), whose sum is σ = 6900878859840. Its totient is φ = 576806031360.

The previous prime is 2231311123319. The next prime is 2231311123333. The reversal of 2231311123320 is 233211131322.

It is a super-3 number, since 3×2231311123320³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 671887 + ... + 2216766.

Almost surely, 2^{2231311123320} is an apocalyptic number.

2231311123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231311123320 is an abundant number, since it is smaller than the sum of its proper divisors (4669567736520).

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

2231311123320 is a wasteful number, since it uses less digits than its factorization.

2231311123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888865 (or 2888861 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2231311123320 its reverse (233211131322), we get a palindrome (2464522254642).

The spelling of 2231311123320 in words is "two trillion, two hundred thirty-one billion, three hundred eleven million, one hundred twenty-three thousand, three hundred twenty".