431414213 has 4 divisors (see below), whose sum is σ = 431574348. Its totient is φ = 431254080.

The previous prime is 431414189. The next prime is 431414231. The reversal of 431414213 is 312414134.

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 134954689 + 296459524 = 11617^2 + 17218^2 .

It is a cyclic number.

It is not a de Polignac number, because 431414213 - 2⁶ = 431414149 is a prime.

It is a super-2 number, since 2×431414213² = 372236446356818738, which contains 22 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 (431414713) 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, 75956 + ... + 81437.

It is an arithmetic number, because the mean of its divisors is an integer number (107893587).

Almost surely, 2^431414213 is an apocalyptic number.

It is an amenable number.

431414213 is a deficient number, since it is larger than the sum of its proper divisors (160135).

431414213 is a wasteful number, since it uses less digits than its factorization.

431414213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160134.

The product of its digits is 1152, while the sum is 23.

The square root of 431414213 is about 20770.5130654012. The cubic root of 431414213 is about 755.6107877067.

Adding to 431414213 its reverse (312414134), we get a palindrome (743828347).

The spelling of 431414213 in words is "four hundred thirty-one million, four hundred fourteen thousand, two hundred thirteen".