2123313331000 has 64 divisors (see below), whose sum is σ = 4969776689280. Its totient is φ = 849116188800.

The previous prime is 2123313330991. The next prime is 2123313331003. The reversal of 2123313331000 is 1333133212.

It is a super-2 number, since 2×2123313331000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123313331003) 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, 3833617 + ... + 4352383.

It is an arithmetic number, because the mean of its divisors is an integer number (77652760770).

Almost surely, 2^{2123313331000} is an apocalyptic number.

2123313331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123313331000 is an abundant number, since it is smaller than the sum of its proper divisors (2846463358280).

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

2123313331000 is a wasteful number, since it uses less digits than its factorization.

2123313331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522881 (or 522867 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 2123313331000 its reverse (1333133212), we get a palindrome (2124646464212).

The spelling of 2123313331000 in words is "two trillion, one hundred twenty-three billion, three hundred thirteen million, three hundred thirty-one thousand".