303404031221434 has 128 divisors (see below), whose sum is σ = 579961416061440. Its totient is φ = 116885199052800.

The previous prime is 303404031221387. The next prime is 303404031221443. The reversal of 303404031221434 is 434122130404303.

It is a super-2 number, since 2×303404031221434² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 303404031221434.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5121664387 + ... + 5121723625.

It is an arithmetic number, because the mean of its divisors is an integer number (4530948562980).

Almost surely, 2^{303404031221434} is an apocalyptic number.

303404031221434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

303404031221434 is a deficient number, since it is larger than the sum of its proper divisors (276557384840006).

303404031221434 is a wasteful number, since it uses less digits than its factorization.

303404031221434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85016.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 303404031221434 its reverse (434122130404303), we get a palindrome (737526161625737).

The spelling of 303404031221434 in words is "three hundred three trillion, four hundred four billion, thirty-one million, two hundred twenty-one thousand, four hundred thirty-four".