431311412 has 24 divisors (see below), whose sum is σ = 863116800. Its totient is φ = 184741920.

The previous prime is 431311411. The next prime is 431311421. The reversal of 431311412 is 214113134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431311411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63962 + ... + 70382.

It is an arithmetic number, because the mean of its divisors is an integer number (35963200).

Almost surely, 2^431311412 is an apocalyptic number.

It is an amenable number.

431311412 is an abundant number, since it is smaller than the sum of its proper divisors (431805388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431311412 is a wasteful number, since it uses less digits than its factorization.

431311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831 (or 8829 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 431311412 is about 20768.0382318600. The cubic root of 431311412 is about 755.5507651785.

Adding to 431311412 its reverse (214113134), we get a palindrome (645424546).

The spelling of 431311412 in words is "four hundred thirty-one million, three hundred eleven thousand, four hundred twelve".