2321521334 has 16 divisors (see below), whose sum is σ = 3846942720. Its totient is φ = 1041878760.

The previous prime is 2321521297. The next prime is 2321521357. The reversal of 2321521334 is 4331251232.

It is a happy number.

It is a super-2 number, since 2×2321521334² = 10778922608434279112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666134 + ... + 669609.

It is an arithmetic number, because the mean of its divisors is an integer number (240433920).

Almost surely, 2^2321521334 is an apocalyptic number.

2321521334 is a deficient number, since it is larger than the sum of its proper divisors (1525421386).

2321521334 is a wasteful number, since it uses less digits than its factorization.

2321521334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335835.

The product of its digits is 4320, while the sum is 26.

The square root of 2321521334 is about 48182.1682160527. The cubic root of 2321521334 is about 1324.1104904855.

Adding to 2321521334 its reverse (4331251232), we get a palindrome (6652772566).

The spelling of 2321521334 in words is "two billion, three hundred twenty-one million, five hundred twenty-one thousand, three hundred thirty-four".