2231003122320 has 80 divisors (see below), whose sum is σ = 7904125353600. Its totient is φ = 509943570432.

The previous prime is 2231003122289. The next prime is 2231003122363. The reversal of 2231003122320 is 232213001322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2231003122320³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663987345 + ... + 663990704.

It is an arithmetic number, because the mean of its divisors is an integer number (98801566920).

Almost surely, 2^{2231003122320} is an apocalyptic number.

2231003122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231003122320 is an abundant number, since it is smaller than the sum of its proper divisors (5673122231280).

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

2231003122320 is a wasteful number, since it uses less digits than its factorization.

2231003122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327978072 (or 1327978066 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2231003122320 its reverse (232213001322), we get a palindrome (2463216123642).

The spelling of 2231003122320 in words is "two trillion, two hundred thirty-one billion, three million, one hundred twenty-two thousand, three hundred twenty".