431400413 has 4 divisors (see below), whose sum is σ = 433335168. Its totient is φ = 429465660.

The previous prime is 431400383. The next prime is 431400421. The reversal of 431400413 is 314004134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314004134 = 2 ⋅157002067.

It is a cyclic number.

It is not a de Polignac number, because 431400413 - 2⁶ = 431400349 is a prime.

It is a super-2 number, since 2×431400413² = 372212632673141138, 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 (431450413) 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, 967043 + ... + 967488.

It is an arithmetic number, because the mean of its divisors is an integer number (108333792).

Almost surely, 2^431400413 is an apocalyptic number.

It is an amenable number.

431400413 is a deficient number, since it is larger than the sum of its proper divisors (1934755).

431400413 is a wasteful number, since it uses less digits than its factorization.

431400413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934754.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 431400413 is about 20770.1808610325. The cubic root of 431400413 is about 755.6027308403.

Adding to 431400413 its reverse (314004134), we get a palindrome (745404547).

The spelling of 431400413 in words is "four hundred thirty-one million, four hundred thousand, four hundred thirteen".