431203102223009 has 4 divisors (see below), whose sum is σ = 433007299303680. Its totient is φ = 429398905142340.

The previous prime is 431203102222973. The next prime is 431203102223017. The reversal of 431203102223009 is 900322201302134.

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 a cyclic number.

It is not a de Polignac number, because 431203102223009 - 2¹⁶ = 431203102157473 is a prime.

It is a super-2 number, since 2×431203102223009² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431203102223099) 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, 902098539977 + ... + 902098540454.

It is an arithmetic number, because the mean of its divisors is an integer number (108251824825920).

Almost surely, 2^{431203102223009} is an apocalyptic number.

It is an amenable number.

431203102223009 is a deficient number, since it is larger than the sum of its proper divisors (1804197080671).

431203102223009 is a wasteful number, since it uses less digits than its factorization.

431203102223009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804197080670.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 431203102223009 in words is "four hundred thirty-one trillion, two hundred three billion, one hundred two million, two hundred twenty-three thousand, nine".