431134931 has 4 divisors (see below), whose sum is σ = 449879952. Its totient is φ = 412389912.

The previous prime is 431134859. The next prime is 431134937. The reversal of 431134931 is 139431134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139431134 = 2 ⋅69715567.

It is a cyclic number.

It is not a de Polignac number, because 431134931 - 2¹⁰ = 431133907 is a prime.

It is a super-2 number, since 2×431134931² = 371754657456749522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431134894 and 431134903.

It is not an unprimeable number, because it can be changed into a prime (431134937) 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, 9372476 + ... + 9372521.

It is an arithmetic number, because the mean of its divisors is an integer number (112469988).

Almost surely, 2^431134931 is an apocalyptic number.

431134931 is a deficient number, since it is larger than the sum of its proper divisors (18745021).

431134931 is a wasteful number, since it uses less digits than its factorization.

431134931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18745020.

The product of its digits is 3888, while the sum is 29.

The square root of 431134931 is about 20763.7889365116. The cubic root of 431134931 is about 755.4477007867.

The spelling of 431134931 in words is "four hundred thirty-one million, one hundred thirty-four thousand, nine hundred thirty-one".