401312334 has 16 divisors (see below), whose sum is σ = 804545280. Its totient is φ = 133450680.

The previous prime is 401312333. The next prime is 401312339. The reversal of 401312334 is 433213104.

It is a super-2 number, since 2×401312334² = 322103178841055112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401312334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401312333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77302 + ... + 82329.

It is an arithmetic number, because the mean of its divisors is an integer number (50284080).

Almost surely, 2^401312334 is an apocalyptic number.

401312334 is an abundant number, since it is smaller than the sum of its proper divisors (403232946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401312334 is a wasteful number, since it uses less digits than its factorization.

401312334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160055.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 401312334 is about 20032.7814843571. The cubic root of 401312334 is about 737.6112000858.

Adding to 401312334 its reverse (433213104), we get a palindrome (834525438).

The spelling of 401312334 in words is "four hundred one million, three hundred twelve thousand, three hundred thirty-four".