431206373 has 12 divisors (see below), whose sum is σ = 481995648. Its totient is φ = 385192080.

The previous prime is 431206337. The next prime is 431206379. The reversal of 431206373 is 373602134.

It is a happy number.

It is not a de Polignac number, because 431206373 - 2¹⁰ = 431205349 is a prime.

It is a super-2 number, since 2×431206373² = 371877872231630258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431206379) 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, 35915 + ... + 46392.

It is an arithmetic number, because the mean of its divisors is an integer number (40166304).

Almost surely, 2^431206373 is an apocalyptic number.

It is an amenable number.

431206373 is a deficient number, since it is larger than the sum of its proper divisors (50789275).

431206373 is a wasteful number, since it uses less digits than its factorization.

431206373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82364 (or 82351 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 431206373 is about 20765.5092160053. The cubic root of 431206373 is about 755.4894260950.

The spelling of 431206373 in words is "four hundred thirty-one million, two hundred six thousand, three hundred seventy-three".