431141331 has 8 divisors (see below), whose sum is σ = 605110720. Its totient is φ = 272299752.

The previous prime is 431141317. The next prime is 431141339. The reversal of 431141331 is 133141134.

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

It is not a de Polignac number, because 431141331 - 2⁷ = 431141203 is a prime.

It is a super-2 number, since 2×431141331² = 371765694592903122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431141298 and 431141307.

It is not an unprimeable number, because it can be changed into a prime (431141339) 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, 3781885 + ... + 3781998.

It is an arithmetic number, because the mean of its divisors is an integer number (75638840).

Almost surely, 2^431141331 is an apocalyptic number.

431141331 is a deficient number, since it is larger than the sum of its proper divisors (173969389).

431141331 is a wasteful number, since it uses less digits than its factorization.

431141331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563905.

The product of its digits is 432, while the sum is 21.

The square root of 431141331 is about 20763.9430503939. The cubic root of 431141331 is about 755.4514388595.

Adding to 431141331 its reverse (133141134), we get a palindrome (564282465).

The spelling of 431141331 in words is "four hundred thirty-one million, one hundred forty-one thousand, three hundred thirty-one".