431141403 has 32 divisors (see below), whose sum is σ = 758868480. Its totient is φ = 210792960.

The previous prime is 431141383. The next prime is 431141411. The reversal of 431141403 is 304141134.

It is not a de Polignac number, because 431141403 - 2⁶ = 431141339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 431141403.

It is not an unprimeable number, because it can be changed into a prime (431141453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50968 + ... + 58821.

It is an arithmetic number, because the mean of its divisors is an integer number (23714640).

Almost surely, 2^431141403 is an apocalyptic number.

431141403 is a deficient number, since it is larger than the sum of its proper divisors (327727077).

431141403 is a wasteful number, since it uses less digits than its factorization.

431141403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109827.

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

The square root of 431141403 is about 20763.9447841685. The cubic root of 431141403 is about 755.4514809126.

Adding to 431141403 its reverse (304141134), we get a palindrome (735282537).

The spelling of 431141403 in words is "four hundred thirty-one million, one hundred forty-one thousand, four hundred three".