2331332421 has 16 divisors (see below), whose sum is σ = 3391953408. Its totient is φ = 1412543600.

The previous prime is 2331332411. The next prime is 2331332429. The reversal of 2331332421 is 1242331332.

It is a cyclic number.

It is not a de Polignac number, because 2331332421 - 2⁵ = 2331332389 is a prime.

It is a super-2 number, since 2×2331332421² = 10870221714411442482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2331332391 and 2331332400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331332429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155560 + ... + 169886.

It is an arithmetic number, because the mean of its divisors is an integer number (211997088).

Almost surely, 2^2331332421 is an apocalyptic number.

It is an amenable number.

2331332421 is a deficient number, since it is larger than the sum of its proper divisors (1060620987).

2331332421 is a wasteful number, since it uses less digits than its factorization.

2331332421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272.

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

The square root of 2331332421 is about 48283.8733015486. The cubic root of 2331332421 is about 1325.9731635107.

Adding to 2331332421 its reverse (1242331332), we get a palindrome (3573663753).

The spelling of 2331332421 in words is "two billion, three hundred thirty-one million, three hundred thirty-two thousand, four hundred twenty-one".