2321144403330 has 128 divisors (see below), whose sum is σ = 5722534573056. Its totient is φ = 602193459200.

The previous prime is 2321144403323. The next prime is 2321144403341. The reversal of 2321144403330 is 333044411232.

It is a happy number.

It is a super-2 number, since 2×2321144403330² (a number of 26 digits) contains 22 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 63 ways as a sum of consecutive naturals, for example, 948566167 + ... + 948568613.

It is an arithmetic number, because the mean of its divisors is an integer number (44707301352).

Almost surely, 2^{2321144403330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321144403330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2861267286528).

2321144403330 is an abundant number, since it is smaller than the sum of its proper divisors (3401390169726).

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

2321144403330 is a wasteful number, since it uses less digits than its factorization.

2321144403330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332.

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

Adding to 2321144403330 its reverse (333044411232), we get a palindrome (2654188814562).

The spelling of 2321144403330 in words is "two trillion, three hundred twenty-one billion, one hundred forty-four million, four hundred three thousand, three hundred thirty".