401231203401 has 8 divisors (see below), whose sum is σ = 611399929024. Its totient is φ = 229274973360.

The previous prime is 401231203361. The next prime is 401231203409. The reversal of 401231203401 is 104302132104.

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

It is not a de Polignac number, because 401231203401 - 2³⁸ = 126353296457 is a prime.

It is a super-2 number, since 2×401231203401² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 19106247781 = 401231203401 / (4 + 0 + 1 + 2 + 3 + 1 + 2 + 0 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401231203409) 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, 9553123870 + ... + 9553123911.

It is an arithmetic number, because the mean of its divisors is an integer number (76424991128).

Almost surely, 2^401231203401 is an apocalyptic number.

It is an amenable number.

401231203401 is a deficient number, since it is larger than the sum of its proper divisors (210168725623).

401231203401 is a wasteful number, since it uses less digits than its factorization.

401231203401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19106247791.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 401231203401 its reverse (104302132104), we get a palindrome (505533335505).

The spelling of 401231203401 in words is "four hundred one billion, two hundred thirty-one million, two hundred three thousand, four hundred one".