431065785213 has 24 divisors (see below), whose sum is σ = 712095321600. Its totient is φ = 246152077344.

The previous prime is 431065785173. The next prime is 431065785239. The reversal of 431065785213 is 312587560134.

It is a happy number.

431065785213 is a `hidden beast` number, since 4 + 3 + 10 + 6 + 578 + 52 + 13 = 666.

It is not a de Polignac number, because 431065785213 - 2⁸ = 431065784957 is a prime.

It is a super-2 number, since 2×431065785213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431065787213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2286798 + ... + 2468111.

It is an arithmetic number, because the mean of its divisors is an integer number (29670638400).

Almost surely, 2^431065785213 is an apocalyptic number.

It is an amenable number.

431065785213 is a deficient number, since it is larger than the sum of its proper divisors (281029536387).

431065785213 is a wasteful number, since it uses less digits than its factorization.

431065785213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756361 (or 4756358 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 431065785213 in words is "four hundred thirty-one billion, sixty-five million, seven hundred eighty-five thousand, two hundred thirteen".