401031427583 has 2 divisors, whose sum is σ = 401031427584. Its totient is φ = 401031427582.

The previous prime is 401031427543. The next prime is 401031427637. The reversal of 401031427583 is 385724130104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401031427583 - 2⁸ = 401031427327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401031427523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200515713791 + 200515713792.

It is an arithmetic number, because the mean of its divisors is an integer number (200515713792).

Almost surely, 2^401031427583 is an apocalyptic number.

401031427583 is a deficient number, since it is larger than the sum of its proper divisors (1).

401031427583 is an equidigital number, since it uses as much as digits as its factorization.

401031427583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 401031427583 its reverse (385724130104), we get a palindrome (786755557687).

The spelling of 401031427583 in words is "four hundred one billion, thirty-one million, four hundred twenty-seven thousand, five hundred eighty-three".