2331065421 has 12 divisors (see below), whose sum is σ = 3384725760. Its totient is φ = 1545906120.

The previous prime is 2331065411. The next prime is 2331065423. The reversal of 2331065421 is 1245601332.

2331065421 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 0 + 654 + 2 + 1 = 666.

2331065421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2331065421 - 2¹⁴ = 2331049037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331065423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676311 + ... + 679748.

It is an arithmetic number, because the mean of its divisors is an integer number (282060480).

Almost surely, 2^2331065421 is an apocalyptic number.

It is an amenable number.

2331065421 is a deficient number, since it is larger than the sum of its proper divisors (1053660339).

2331065421 is a wasteful number, since it uses less digits than its factorization.

2331065421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356256 (or 1356253 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2331065421 is about 48281.1083240640. The cubic root of 2331065421 is about 1325.9225417650.

Adding to 2331065421 its reverse (1245601332), we get a palindrome (3576666753).

The spelling of 2331065421 in words is "two billion, three hundred thirty-one million, sixty-five thousand, four hundred twenty-one".