401130231 has 8 divisors (see below), whose sum is σ = 538688640. Its totient is φ = 265495992.

The previous prime is 401130227. The next prime is 401130239. The reversal of 401130231 is 132031104.

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

It is not a de Polignac number, because 401130231 - 2² = 401130227 is a prime.

It is a super-2 number, since 2×401130231² = 321810924444226722, 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 401130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401130239) 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, 480555 + ... + 481388.

It is an arithmetic number, because the mean of its divisors is an integer number (67336080).

Almost surely, 2^401130231 is an apocalyptic number.

401130231 is a deficient number, since it is larger than the sum of its proper divisors (137558409).

401130231 is a wasteful number, since it uses less digits than its factorization.

401130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962085.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 401130231 is about 20028.2358434286. The cubic root of 401130231 is about 737.4996148997.

Adding to 401130231 its reverse (132031104), we get a palindrome (533161335).

The spelling of 401130231 in words is "four hundred one million, one hundred thirty thousand, two hundred thirty-one".