2304400031421 has 24 divisors (see below), whose sum is σ = 3187329456480. Its totient is φ = 1480871254464.

The previous prime is 2304400031419. The next prime is 2304400031467. The reversal of 2304400031421 is 1241300044032.

It is not a de Polignac number, because 2304400031421 - 2¹ = 2304400031419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2304400031391 and 2304400031400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304400031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801610 + ... + 2291588.

It is an arithmetic number, because the mean of its divisors is an integer number (132805394020).

Almost surely, 2^{2304400031421} is an apocalyptic number.

It is an amenable number.

2304400031421 is a deficient number, since it is larger than the sum of its proper divisors (882929425059).

2304400031421 is a wasteful number, since it uses less digits than its factorization.

2304400031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490653 (or 1490624 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2304400031421 its reverse (1241300044032), we get a palindrome (3545700075453).

The spelling of 2304400031421 in words is "two trillion, three hundred four billion, four hundred million, thirty-one thousand, four hundred twenty-one".