431016513 has 4 divisors (see below), whose sum is σ = 574688688. Its totient is φ = 287344340.

The previous prime is 431016491. The next prime is 431016517. The reversal of 431016513 is 315610134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431016513 - 2⁶ = 431016449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431016517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71836083 + ... + 71836088.

It is an arithmetic number, because the mean of its divisors is an integer number (143672172).

Almost surely, 2^431016513 is an apocalyptic number.

It is an amenable number.

431016513 is a deficient number, since it is larger than the sum of its proper divisors (143672175).

431016513 is a wasteful number, since it uses less digits than its factorization.

431016513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143672174.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 431016513 is about 20760.9371898284. The cubic root of 431016513 is about 755.3785292497.

Adding to 431016513 its reverse (315610134), we get a palindrome (746626647).

The spelling of 431016513 in words is "four hundred thirty-one million, sixteen thousand, five hundred thirteen".