401031345443 has 2 divisors, whose sum is σ = 401031345444. Its totient is φ = 401031345442.

The previous prime is 401031345413. The next prime is 401031345457. The reversal of 401031345443 is 344543130104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401031345443 - 2¹⁰ = 401031344419 is a prime.

It is a super-2 number, since 2×401031345443² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (401031345413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200515672721 + 200515672722.

It is an arithmetic number, because the mean of its divisors is an integer number (200515672722).

Almost surely, 2^401031345443 is an apocalyptic number.

401031345443 is a deficient number, since it is larger than the sum of its proper divisors (1).

401031345443 is an equidigital number, since it uses as much as digits as its factorization.

401031345443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 401031345443 its reverse (344543130104), we get a palindrome (745574475547).

The spelling of 401031345443 in words is "four hundred one billion, thirty-one million, three hundred forty-five thousand, four hundred forty-three".