2231312123300 has 72 divisors (see below), whose sum is σ = 5217545389056. Its totient is φ = 823372882560.

The previous prime is 2231312123291. The next prime is 2231312123311. The reversal of 2231312123300 is 33212131322.

It is a super-3 number, since 3×2231312123300³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1645847 + ... + 2677953.

Almost surely, 2^{2231312123300} is an apocalyptic number.

2231312123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231312123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608772694528).

2231312123300 is an abundant number, since it is smaller than the sum of its proper divisors (2986233265756).

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

2231312123300 is a wasteful number, since it uses less digits than its factorization.

2231312123300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033797 (or 1033790 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2231312123300 its reverse (33212131322), we get a palindrome (2264524254622).

The spelling of 2231312123300 in words is "two trillion, two hundred thirty-one billion, three hundred twelve million, one hundred twenty-three thousand, three hundred".