431441213312 has 16 divisors (see below), whose sum is σ = 859511792400. Its totient is φ = 215720606592.

The previous prime is 431441213309. The next prime is 431441213323. The reversal of 431441213312 is 213312144134.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×431441213312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685317112 + ... + 1685317367.

It is an arithmetic number, because the mean of its divisors is an integer number (53719487025).

Almost surely, 2^431441213312 is an apocalyptic number.

It is an amenable number.

431441213312 is a deficient number, since it is larger than the sum of its proper divisors (428070579088).

431441213312 is an equidigital number, since it uses as much as digits as its factorization.

431441213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370634493 (or 3370634481 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 431441213312 its reverse (213312144134), we get a palindrome (644753357446).

The spelling of 431441213312 in words is "four hundred thirty-one billion, four hundred forty-one million, two hundred thirteen thousand, three hundred twelve".