2231311323100 has 36 divisors (see below), whose sum is σ = 4863275777304. Its totient is φ = 888592694080.

The previous prime is 2231311323067. The next prime is 2231311323161. The reversal of 2231311323100 is 13231131322.

It is a super-3 number, since 3×2231311323100³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49125127 + ... + 49170526.

It is an arithmetic number, because the mean of its divisors is an integer number (135090993814).

Almost surely, 2^{2231311323100} is an apocalyptic number.

2231311323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231311323100 is an abundant number, since it is smaller than the sum of its proper divisors (2631964454204).

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

2231311323100 is a wasteful number, since it uses less digits than its factorization.

2231311323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98295894 (or 98295887 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2231311323100 its reverse (13231131322), we get a palindrome (2244542454422).

The spelling of 2231311323100 in words is "two trillion, two hundred thirty-one billion, three hundred eleven million, three hundred twenty-three thousand, one hundred".