401313140243 has 2 divisors, whose sum is σ = 401313140244. Its totient is φ = 401313140242.

The previous prime is 401313140227. The next prime is 401313140317. The reversal of 401313140243 is 342041313104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401313140243 - 2⁴ = 401313140227 is a prime.

It is a super-2 number, since 2×401313140243² (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 (401313140443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200656570121 + 200656570122.

It is an arithmetic number, because the mean of its divisors is an integer number (200656570122).

Almost surely, 2^401313140243 is an apocalyptic number.

401313140243 is a deficient number, since it is larger than the sum of its proper divisors (1).

401313140243 is an equidigital number, since it uses as much as digits as its factorization.

401313140243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 401313140243 its reverse (342041313104), we get a palindrome (743354453347).

It can be divided in two parts, 4013 and 13140243, that added together give a cube (13144256 = 236³).

The spelling of 401313140243 in words is "four hundred one billion, three hundred thirteen million, one hundred forty thousand, two hundred forty-three".