401304331303 has 2 divisors, whose sum is σ = 401304331304. Its totient is φ = 401304331302.

The previous prime is 401304331301. The next prime is 401304331313. The reversal of 401304331303 is 303133403104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401304331303 - 2¹ = 401304331301 is a prime.

It is a super-2 number, since 2×401304331303² (a number of 24 digits) contains 22 as substring.

Together with 401304331301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401304331301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200652165651 + 200652165652.

It is an arithmetic number, because the mean of its divisors is an integer number (200652165652).

Almost surely, 2^401304331303 is an apocalyptic number.

401304331303 is a deficient number, since it is larger than the sum of its proper divisors (1).

401304331303 is an equidigital number, since it uses as much as digits as its factorization.

401304331303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 401304331303 its reverse (303133403104), we get a palindrome (704437734407).

The spelling of 401304331303 in words is "four hundred one billion, three hundred four million, three hundred thirty-one thousand, three hundred three".