401036831 has 6 divisors (see below), whose sum is σ = 434259000. Its totient is φ = 370187688.

The previous prime is 401036807. The next prime is 401036843. The reversal of 401036831 is 138630104.

It is not a de Polignac number, because 401036831 - 2¹⁴ = 401020447 is a prime.

It is a super-2 number, since 2×401036831² = 321661079637045122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401036831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401036891) 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 5 ways as a sum of consecutive naturals, for example, 1186331 + ... + 1186668.

It is an arithmetic number, because the mean of its divisors is an integer number (72376500).

Almost surely, 2^401036831 is an apocalyptic number.

401036831 is a deficient number, since it is larger than the sum of its proper divisors (33222169).

401036831 is a wasteful number, since it uses less digits than its factorization.

401036831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373025 (or 2373012 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 401036831 is about 20025.9039995702. The cubic root of 401036831 is about 737.4423701401.

Adding to 401036831 its reverse (138630104), we get a palindrome (539666935).

The spelling of 401036831 in words is "four hundred one million, thirty-six thousand, eight hundred thirty-one".