2223031231320 has 64 divisors (see below), whose sum is σ = 6679902820320. Its totient is φ = 591847517184.

The previous prime is 2223031231301. The next prime is 2223031231321. The reversal of 2223031231320 is 231321303222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223031231321) 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, 14938327 + ... + 15086406.

Almost surely, 2^{2223031231320} is an apocalyptic number.

2223031231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223031231320 is an abundant number, since it is smaller than the sum of its proper divisors (4456871589000).

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

2223031231320 is a wasteful number, since it uses less digits than its factorization.

2223031231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30025364 (or 30025360 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2223031231320 its reverse (231321303222), we get a palindrome (2454352534542).

The spelling of 2223031231320 in words is "two trillion, two hundred twenty-three billion, thirty-one million, two hundred thirty-one thousand, three hundred twenty".