401030331 has 16 divisors (see below), whose sum is σ = 577011456. Its totient is φ = 246285216.

The previous prime is 401030327. The next prime is 401030363. The reversal of 401030331 is 133030104.

It is not a de Polignac number, because 401030331 - 2² = 401030327 is a prime.

It is a super-2 number, since 2×401030331² = 321650652763939122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401030331.

It is not an unprimeable number, because it can be changed into a prime (401030381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9396 + ... + 29838.

It is an arithmetic number, because the mean of its divisors is an integer number (36063216).

Almost surely, 2^401030331 is an apocalyptic number.

401030331 is a deficient number, since it is larger than the sum of its proper divisors (175981125).

401030331 is a wasteful number, since it uses less digits than its factorization.

401030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 401030331 is about 20025.7417091103. The cubic root of 401030331 is about 737.4383859663.

Adding to 401030331 its reverse (133030104), we get a palindrome (534060435).

The spelling of 401030331 in words is "four hundred one million, thirty thousand, three hundred thirty-one".