431343201 has 4 divisors (see below), whose sum is σ = 575124272. Its totient is φ = 287562132.

The previous prime is 431343197. The next prime is 431343221. The reversal of 431343201 is 102343134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 431343201 - 2² = 431343197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431343221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71890531 + ... + 71890536.

It is an arithmetic number, because the mean of its divisors is an integer number (143781068).

Almost surely, 2^431343201 is an apocalyptic number.

It is an amenable number.

431343201 is a deficient number, since it is larger than the sum of its proper divisors (143781071).

431343201 is a wasteful number, since it uses less digits than its factorization.

431343201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143781070.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 431343201 is about 20768.8035524437. The cubic root of 431343201 is about 755.5693268740.

Adding to 431343201 its reverse (102343134), we get a palindrome (533686335).

The spelling of 431343201 in words is "four hundred thirty-one million, three hundred forty-three thousand, two hundred one".