431431413 has 16 divisors (see below), whose sum is σ = 659088000. Its totient is φ = 245906496.

The previous prime is 431431409. The next prime is 431431439. The reversal of 431431413 is 314134134.

It is not a de Polignac number, because 431431413 - 2² = 431431409 is a prime.

It is a super-2 number, since 2×431431413² = 372266128246353138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431431453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17538 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (41193000).

Almost surely, 2^431431413 is an apocalyptic number.

It is an amenable number.

431431413 is a deficient number, since it is larger than the sum of its proper divisors (227656587).

431431413 is a wasteful number, since it uses less digits than its factorization.

431431413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52156.

The product of its digits is 1728, while the sum is 24.

The square root of 431431413 is about 20770.9271097850. The cubic root of 431431413 is about 755.6208293577.

Adding to 431431413 its reverse (314134134), we get a palindrome (745565547).

The spelling of 431431413 in words is "four hundred thirty-one million, four hundred thirty-one thousand, four hundred thirteen".