401163031 has 4 divisors (see below), whose sum is σ = 401253552. Its totient is φ = 401072512.

The previous prime is 401163013. The next prime is 401163041. The reversal of 401163031 is 130361104.

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

It is a cyclic number.

It is not a de Polignac number, because 401163031 - 2⁵ = 401162999 is a prime.

It is a super-2 number, since 2×401163031² = 321863554882213922, 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 (401163041) 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, 38251 + ... + 47596.

It is an arithmetic number, because the mean of its divisors is an integer number (100313388).

Almost surely, 2^401163031 is an apocalyptic number.

401163031 is a deficient number, since it is larger than the sum of its proper divisors (90521).

401163031 is an equidigital number, since it uses as much as digits as its factorization.

401163031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90520.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 401163031 is about 20029.0546706528. The cubic root of 401163031 is about 737.5197158763.

The spelling of 401163031 in words is "four hundred one million, one hundred sixty-three thousand, thirty-one".