401312141 has 4 divisors (see below), whose sum is σ = 411100284. Its totient is φ = 391524000.

The previous prime is 401312113. The next prime is 401312203. The reversal of 401312141 is 141213104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60762025 + 340550116 = 7795^2 + 18454^2 .

It is a cyclic number.

It is not a de Polignac number, because 401312141 - 2²² = 397117837 is a prime.

It is a super-2 number, since 2×401312141² = 322102869028007762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401312941) 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 3 ways as a sum of consecutive naturals, for example, 4894010 + ... + 4894091.

It is an arithmetic number, because the mean of its divisors is an integer number (102775071).

Almost surely, 2^401312141 is an apocalyptic number.

401312141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

401312141 is a deficient number, since it is larger than the sum of its proper divisors (9788143).

401312141 is an equidigital number, since it uses as much as digits as its factorization.

401312141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788142.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 401312141 is about 20032.7766672521. The cubic root of 401312141 is about 737.6110818413.

Adding to 401312141 its reverse (141213104), we get a palindrome (542525245).

The spelling of 401312141 in words is "four hundred one million, three hundred twelve thousand, one hundred forty-one".