2331454021 has 4 divisors (see below), whose sum is σ = 2510796652. Its totient is φ = 2152111392.

The previous prime is 2331454019. The next prime is 2331454061. The reversal of 2331454021 is 1204541332.

2331454021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 817388100 + 1514065921 = 28590^2 + 38911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331454021 - 2¹ = 2331454019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331454061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89671296 + ... + 89671321.

It is an arithmetic number, because the mean of its divisors is an integer number (627699163).

Almost surely, 2^2331454021 is an apocalyptic number.

It is an amenable number.

2331454021 is a deficient number, since it is larger than the sum of its proper divisors (179342631).

2331454021 is a wasteful number, since it uses less digits than its factorization.

2331454021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179342630.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2331454021 is about 48285.1325047369. The cubic root of 2331454021 is about 1325.9962169275.

Adding to 2331454021 its reverse (1204541332), we get a palindrome (3535995353).

The spelling of 2331454021 in words is "two billion, three hundred thirty-one million, four hundred fifty-four thousand, twenty-one".