401304231 has 12 divisors (see below), whose sum is σ = 580373352. Its totient is φ = 267207696.

The previous prime is 401304199. The next prime is 401304289. The reversal of 401304231 is 132403104.

401304231 is a `hidden beast` number, since 401 + 30 + 4 + 231 = 666.

It is not a de Polignac number, because 401304231 - 2⁵ = 401304199 is a prime.

It is a super-2 number, since 2×401304231² = 322090171637002722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401309231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19516 + ... + 34401.

It is an arithmetic number, because the mean of its divisors is an integer number (48364446).

Almost surely, 2^401304231 is an apocalyptic number.

401304231 is a deficient number, since it is larger than the sum of its proper divisors (179069121).

401304231 is a wasteful number, since it uses less digits than its factorization.

401304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54750 (or 54747 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 401304231 is about 20032.5792398283. The cubic root of 401304231 is about 737.6062356203.

Adding to 401304231 its reverse (132403104), we get a palindrome (533707335).

The spelling of 401304231 in words is "four hundred one million, three hundred four thousand, two hundred thirty-one".