513034431 has 32 divisors (see below), whose sum is σ = 843752448. Its totient is φ = 270017280.

The previous prime is 513034411. The next prime is 513034433. The reversal of 513034431 is 134430315.

It is a happy number.

It is not a de Polignac number, because 513034431 - 2⁶ = 513034367 is a prime.

It is a super-2 number, since 2×513034431² = 526408654782987522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513034433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140430 + ... + 144036.

It is an arithmetic number, because the mean of its divisors is an integer number (26367264).

Almost surely, 2^513034431 is an apocalyptic number.

513034431 is a deficient number, since it is larger than the sum of its proper divisors (330718017).

513034431 is a wasteful number, since it uses less digits than its factorization.

513034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 513034431 is about 22650.2633759522. The cubic root of 513034431 is about 800.5384037163.

Adding to 513034431 its reverse (134430315), we get a palindrome (647464746).

The spelling of 513034431 in words is "five hundred thirteen million, thirty-four thousand, four hundred thirty-one".