303312020401 has 16 divisors (see below), whose sum is σ = 355205574864. Its totient is φ = 256388972544.

The previous prime is 303312020371. The next prime is 303312020443. The reversal of 303312020401 is 104020213303.

It can be written as a sum of positive squares in 8 ways, for example, as 4238661025 + 299073359376 = 65105^2 + 546876^2 .

It is a cyclic number.

It is not a de Polignac number, because 303312020401 - 2⁹ = 303312019889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (303312021401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18538480 + ... + 18554833.

It is an arithmetic number, because the mean of its divisors is an integer number (22200348429).

Almost surely, 2^303312020401 is an apocalyptic number.

It is an amenable number.

303312020401 is a deficient number, since it is larger than the sum of its proper divisors (51893554463).

303312020401 is a wasteful number, since it uses less digits than its factorization.

303312020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37093380.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 303312020401 its reverse (104020213303), we get a palindrome (407332233704).

The spelling of 303312020401 in words is "three hundred three billion, three hundred twelve million, twenty thousand, four hundred one".