431334132134020 has 12 divisors (see below), whose sum is σ = 905801677481484. Its totient is φ = 172533652853600.

The previous prime is 431334132133981. The next prime is 431334132134041. The reversal of 431334132134020 is 20431231433134.

It can be written as a sum of positive squares in 2 ways, for example, as 301301344345156 + 130032787788864 = 17358034^2 + 11403192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10783353303331 + ... + 10783353303370.

It is an arithmetic number, because the mean of its divisors is an integer number (75483473123457).

Almost surely, 2^{431334132134020} is an apocalyptic number.

It is an amenable number.

431334132134020 is an abundant number, since it is smaller than the sum of its proper divisors (474467545347464).

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

431334132134020 is a wasteful number, since it uses less digits than its factorization.

431334132134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21566706606710 (or 21566706606708 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 431334132134020 its reverse (20431231433134), we get a palindrome (451765363567154).

The spelling of 431334132134020 in words is "four hundred thirty-one trillion, three hundred thirty-four billion, one hundred thirty-two million, one hundred thirty-four thousand, twenty".