303442103421 has 8 divisors (see below), whose sum is σ = 449543856960. Its totient is φ = 202294735596.

The previous prime is 303442103387. The next prime is 303442103443. The reversal of 303442103421 is 124301244303.

303442103421 is a `hidden beast` number, since 303 + 4 + 4 + 2 + 10 + 342 + 1 = 666.

303442103421 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 303442103421 - 2¹⁵ = 303442070653 is a prime.

It is a super-2 number, since 2×303442103421² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11238596423 = 303442103421 / (3 + 0 + 3 + 4 + 4 + 2 + 1 + 0 + 3 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303442103221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5619298185 + ... + 5619298238.

It is an arithmetic number, because the mean of its divisors is an integer number (56192982120).

Almost surely, 2^303442103421 is an apocalyptic number.

It is an amenable number.

303442103421 is a deficient number, since it is larger than the sum of its proper divisors (146101753539).

303442103421 is a wasteful number, since it uses less digits than its factorization.

303442103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11238596432 (or 11238596426 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 303442103421 its reverse (124301244303), we get a palindrome (427743347724).

The spelling of 303442103421 in words is "three hundred three billion, four hundred forty-two million, one hundred three thousand, four hundred twenty-one".