2143303441320 has 64 divisors (see below), whose sum is σ = 6768326664000. Its totient is φ = 541466131968.

The previous prime is 2143303441319. The next prime is 2143303441393. The reversal of 2143303441320 is 231443033412.

It is a happy number.

It is a super-3 number, since 3×2143303441320³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 470020405 + ... + 470024964.

It is an arithmetic number, because the mean of its divisors is an integer number (105755104125).

Almost surely, 2^{2143303441320} is an apocalyptic number.

2143303441320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143303441320 is an abundant number, since it is smaller than the sum of its proper divisors (4625023222680).

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

2143303441320 is a wasteful number, since it uses less digits than its factorization.

2143303441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940045402 (or 940045398 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2143303441320 its reverse (231443033412), we get a palindrome (2374746474732).

The spelling of 2143303441320 in words is "two trillion, one hundred forty-three billion, three hundred three million, four hundred forty-one thousand, three hundred twenty".