431404324430312 has 32 divisors (see below), whose sum is σ = 810387608042880. Its totient is φ = 215300971477440.

The previous prime is 431404324430311. The next prime is 431404324430351. The reversal of 431404324430312 is 213034423404134.

It is a super-2 number, since 2×431404324430312² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431404324430311) 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 7 ways as a sum of consecutive naturals, for example, 408828293 + ... + 409882155.

It is an arithmetic number, because the mean of its divisors is an integer number (25324612751340).

Almost surely, 2^{431404324430312} is an apocalyptic number.

It is an amenable number.

431404324430312 is a deficient number, since it is larger than the sum of its proper divisors (378983283612568).

431404324430312 is a wasteful number, since it uses less digits than its factorization.

431404324430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148993 (or 1148989 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 431404324430312 its reverse (213034423404134), we get a palindrome (644438747834446).

The spelling of 431404324430312 in words is "four hundred thirty-one trillion, four hundred four billion, three hundred twenty-four million, four hundred thirty thousand, three hundred twelve".