401031421 has 8 divisors (see below), whose sum is σ = 460883520. Its totient is φ = 341819808.

The previous prime is 401031391. The next prime is 401031457. The reversal of 401031421 is 124130104.

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 401031421 - 2¹¹ = 401029373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401031395 and 401031404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401031481) 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, 158776 + ... + 161281.

It is an arithmetic number, because the mean of its divisors is an integer number (57610440).

Almost surely, 2^401031421 is an apocalyptic number.

It is an amenable number.

401031421 is a deficient number, since it is larger than the sum of its proper divisors (59852099).

401031421 is a wasteful number, since it uses less digits than its factorization.

401031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320243.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 401031421 is about 20025.7689240638. The cubic root of 401031421 is about 737.4390540846.

Adding to 401031421 its reverse (124130104), we get a palindrome (525161525).

The spelling of 401031421 in words is "four hundred one million, thirty-one thousand, four hundred twenty-one".