431325311 has 4 divisors (see below), whose sum is σ = 431371824. Its totient is φ = 431278800.

The previous prime is 431325211. The next prime is 431325319. The reversal of 431325311 is 113523134.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 113523134 = 2 ⋅56761567.

It is a cyclic number.

It is not a de Polignac number, because 431325311 - 2¹⁸ = 431063167 is a prime.

It is a super-3 number, since 3×431325311³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431325319) 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, 4070 + ... + 29651.

It is an arithmetic number, because the mean of its divisors is an integer number (107842956).

Almost surely, 2^431325311 is an apocalyptic number.

431325311 is a deficient number, since it is larger than the sum of its proper divisors (46513).

431325311 is a wasteful number, since it uses less digits than its factorization.

431325311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46512.

The product of its digits is 1080, while the sum is 23.

The square root of 431325311 is about 20768.3728539335. The cubic root of 431325311 is about 755.5588809598.

Adding to 431325311 its reverse (113523134), we get a palindrome (544848445).

The spelling of 431325311 in words is "four hundred thirty-one million, three hundred twenty-five thousand, three hundred eleven".