401242311 has 12 divisors (see below), whose sum is σ = 582516792. Its totient is φ = 266135856.

The previous prime is 401242301. The next prime is 401242327. The reversal of 401242311 is 113242104.

It is not a de Polignac number, because 401242311 - 2¹⁰ = 401241287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401242301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111381 + ... + 114926.

It is an arithmetic number, because the mean of its divisors is an integer number (48543066).

Almost surely, 2^401242311 is an apocalyptic number.

401242311 is a deficient number, since it is larger than the sum of its proper divisors (181274481).

401242311 is a wasteful number, since it uses less digits than its factorization.

401242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226510 (or 226507 counting only the distinct ones).

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

The square root of 401242311 is about 20031.0336977401. The cubic root of 401242311 is about 737.5682968830.

Adding to 401242311 its reverse (113242104), we get a palindrome (514484415).

The spelling of 401242311 in words is "four hundred one million, two hundred forty-two thousand, three hundred eleven".