401131006 has 16 divisors (see below), whose sum is σ = 605960784. Its totient is φ = 199148544.

The previous prime is 401131001. The next prime is 401131057. The reversal of 401131006 is 600131104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347326 + ... + 348478.

It is an arithmetic number, because the mean of its divisors is an integer number (37872549).

Almost surely, 2^401131006 is an apocalyptic number.

401131006 is a deficient number, since it is larger than the sum of its proper divisors (204829778).

401131006 is a wasteful number, since it uses less digits than its factorization.

401131006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 401131006 is about 20028.2551911044. The cubic root of 401131006 is about 737.5000898592.

The spelling of 401131006 in words is "four hundred one million, one hundred thirty-one thousand, six".