431041013 has 4 divisors (see below), whose sum is σ = 464198028. Its totient is φ = 397884000.

The previous prime is 431040931. The next prime is 431041031. The reversal of 431041013 is 310140134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129914404 + 301126609 = 11398^2 + 17353^2 .

It is a cyclic number.

It is not a de Polignac number, because 431041013 - 2²⁸ = 162605557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431040982 and 431041000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431041063) 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, 16578488 + ... + 16578513.

It is an arithmetic number, because the mean of its divisors is an integer number (116049507).

Almost surely, 2^431041013 is an apocalyptic number.

It is an amenable number.

431041013 is a deficient number, since it is larger than the sum of its proper divisors (33157015).

431041013 is a wasteful number, since it uses less digits than its factorization.

431041013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33157014.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 431041013 is about 20761.5272318777. The cubic root of 431041013 is about 755.3928414804.

Adding to 431041013 its reverse (310140134), we get a palindrome (741181147).

The spelling of 431041013 in words is "four hundred thirty-one million, forty-one thousand, thirteen".