401000331 has 8 divisors (see below), whose sum is σ = 557913600. Its totient is φ = 255710312.

The previous prime is 401000329. The next prime is 401000351. The reversal of 401000331 is 133000104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401000331 - 2¹ = 401000329 is a prime.

It is a super-2 number, since 2×401000331² = 321602530924219122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401000351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905731 + ... + 2905868.

It is an arithmetic number, because the mean of its divisors is an integer number (69739200).

Almost surely, 2^401000331 is an apocalyptic number.

401000331 is a deficient number, since it is larger than the sum of its proper divisors (156913269).

401000331 is a wasteful number, since it uses less digits than its factorization.

401000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811625.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 401000331 is about 20024.9926591747. The cubic root of 401000331 is about 737.4199969139.

Adding to 401000331 its reverse (133000104), we get a palindrome (534000435).

The spelling of 401000331 in words is "four hundred one million, three hundred thirty-one", and thus it is an aban number.