431021330141320 has 32 divisors (see below), whose sum is σ = 969798583888920. Its totient is φ = 172408426977280.

The previous prime is 431021330141287. The next prime is 431021330141323. The reversal of 431021330141320 is 23141033120134.

It can be written as a sum of positive squares in 4 ways, for example, as 416089582179076 + 14931747962244 = 20398274^2 + 3864162^2 .

It is not an unprimeable number, because it can be changed into a prime (431021330141323) 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, 126239850 + ... + 129609190.

Almost surely, 2^{431021330141320} is an apocalyptic number.

431021330141320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431021330141320 is an abundant number, since it is smaller than the sum of its proper divisors (538777253747600).

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

431021330141320 is a wasteful number, since it uses less digits than its factorization.

431021330141320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567465 (or 6567461 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 431021330141320 its reverse (23141033120134), we get a palindrome (454162363261454).

The spelling of 431021330141320 in words is "four hundred thirty-one trillion, twenty-one billion, three hundred thirty million, one hundred forty-one thousand, three hundred twenty".