304420030999981 has 8 divisors (see below), whose sum is σ = 328955853927960. Its totient is φ = 280044050567232.

The previous prime is 304420030999897. The next prime is 304420031000011. The reversal of 304420030999981 is 189999030024403.

It can be written as a sum of positive squares in 4 ways, for example, as 46765205343081 + 257654825656900 = 6838509^2 + 16051630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304420030999981 - 2⁴¹ = 302221007744429 is a prime.

It is a super-2 number, since 2×304420030999981² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304420030991981) 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, 39960619846 + ... + 39960627463.

It is an arithmetic number, because the mean of its divisors is an integer number (41119481740995).

Almost surely, 2^{304420030999981} is an apocalyptic number.

It is an amenable number.

304420030999981 is a deficient number, since it is larger than the sum of its proper divisors (24535822927979).

304420030999981 is a wasteful number, since it uses less digits than its factorization.

304420030999981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79921247615.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 304420030999981 in words is "three hundred four trillion, four hundred twenty billion, thirty million, nine hundred ninety-nine thousand, nine hundred eighty-one".