401122313 has 2 divisors, whose sum is σ = 401122314. Its totient is φ = 401122312.

The previous prime is 401122307. The next prime is 401122321. The reversal of 401122313 is 313221104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317801929 + 83320384 = 17827^2 + 9128^2 .

It is a cyclic number.

It is not a de Polignac number, because 401122313 - 2¹² = 401118217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401122291 and 401122300.

It is not a weakly prime, because it can be changed into another prime (401122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200561156 + 200561157.

It is an arithmetic number, because the mean of its divisors is an integer number (200561157).

Almost surely, 2^401122313 is an apocalyptic number.

It is an amenable number.

401122313 is a deficient number, since it is larger than the sum of its proper divisors (1).

401122313 is an equidigital number, since it uses as much as digits as its factorization.

401122313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 401122313 is about 20028.0381715234. The cubic root of 401122313 is about 737.4947623108.

Adding to 401122313 its reverse (313221104), we get a palindrome (714343417).

The spelling of 401122313 in words is "four hundred one million, one hundred twenty-two thousand, three hundred thirteen".