401424131 has 4 divisors (see below), whose sum is σ = 407078064. Its totient is φ = 395770200.

The previous prime is 401424073. The next prime is 401424139. The reversal of 401424131 is 131424104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401424131 is a prime.

It is a super-2 number, since 2×401424131² = 322282665898210322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401424139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826860 + ... + 2827001.

It is an arithmetic number, because the mean of its divisors is an integer number (101769516).

Almost surely, 2^401424131 is an apocalyptic number.

401424131 is a deficient number, since it is larger than the sum of its proper divisors (5653933).

401424131 is an equidigital number, since it uses as much as digits as its factorization.

401424131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653932.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 401424131 is about 20035.5716414581. The cubic root of 401424131 is about 737.6796879410.

Adding to 401424131 its reverse (131424104), we get a palindrome (532848235).

The spelling of 401424131 in words is "four hundred one million, four hundred twenty-four thousand, one hundred thirty-one".