401224311 has 24 divisors (see below), whose sum is σ = 614739840. Its totient is φ = 251456400.

The previous prime is 401224303. The next prime is 401224321. The reversal of 401224311 is 113422104.

It is not a de Polignac number, because 401224311 - 2³ = 401224303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401224321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13446 + ... + 31356.

It is an arithmetic number, because the mean of its divisors is an integer number (25614160).

Almost surely, 2^401224311 is an apocalyptic number.

401224311 is a deficient number, since it is larger than the sum of its proper divisors (213515529).

401224311 is a wasteful number, since it uses less digits than its factorization.

401224311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18067 (or 18064 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401224311 is about 20030.5843898774. The cubic root of 401224311 is about 737.5572674481.

Adding to 401224311 its reverse (113422104), we get a palindrome (514646415).

The spelling of 401224311 in words is "four hundred one million, two hundred twenty-four thousand, three hundred eleven".