431313433 has 8 divisors (see below), whose sum is σ = 469670400. Its totient is φ = 394522128.

The previous prime is 431313391. The next prime is 431313437. The reversal of 431313433 is 334313134.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431313433 - 2²⁵ = 397759001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431313398 and 431313407.

It is not an unprimeable number, because it can be changed into a prime (431313437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390841 + ... + 391942.

It is an arithmetic number, because the mean of its divisors is an integer number (58708800).

Almost surely, 2^431313433 is an apocalyptic number.

It is an amenable number.

431313433 is a deficient number, since it is larger than the sum of its proper divisors (38356967).

431313433 is a wasteful number, since it uses less digits than its factorization.

431313433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782831.

The product of its digits is 3888, while the sum is 25.

The square root of 431313433 is about 20768.0868883005. The cubic root of 431313433 is about 755.5519452738.

Adding to 431313433 its reverse (334313134), we get a palindrome (765626567).

It can be divided in two parts, 43131 and 3433, that added together give a palindrome (46564).

The spelling of 431313433 in words is "four hundred thirty-one million, three hundred thirteen thousand, four hundred thirty-three".