401030321 has 4 divisors (see below), whose sum is σ = 422137200. Its totient is φ = 379923444.

The previous prime is 401030317. The next prime is 401030327. The reversal of 401030321 is 123030104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401030321 - 2² = 401030317 is a prime.

It is a super-2 number, since 2×401030321² = 321650636722726082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401030296 and 401030305.

It is not an unprimeable number, because it can be changed into a prime (401030327) 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, 10553411 + ... + 10553448.

It is an arithmetic number, because the mean of its divisors is an integer number (105534300).

Almost surely, 2^401030321 is an apocalyptic number.

It is an amenable number.

401030321 is a deficient number, since it is larger than the sum of its proper divisors (21106879).

401030321 is a wasteful number, since it uses less digits than its factorization.

401030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106878.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 401030321 is about 20025.7414594317. The cubic root of 401030321 is about 737.4383798368.

Adding to 401030321 its reverse (123030104), we get a palindrome (524060425).

The spelling of 401030321 in words is "four hundred one million, thirty thousand, three hundred twenty-one".