431420031 has 12 divisors (see below), whose sum is σ = 712185552. Its totient is φ = 246525696.

The previous prime is 431419991. The next prime is 431420051. The reversal of 431420031 is 130024134.

431420031 is a `hidden beast` number, since 431 + 4 + 200 + 31 = 666.

It is not a de Polignac number, because 431420031 - 2¹⁷ = 431288959 is a prime.

It is a super-2 number, since 2×431420031² = 372246486296081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431419986 and 431420013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431420051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3423906 + ... + 3424031.

It is an arithmetic number, because the mean of its divisors is an integer number (59348796).

Almost surely, 2^431420031 is an apocalyptic number.

431420031 is a deficient number, since it is larger than the sum of its proper divisors (280765521).

431420031 is a wasteful number, since it uses less digits than its factorization.

431420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847950 (or 6847947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 431420031 is about 20770.6531192450. The cubic root of 431420031 is about 755.6141843834.

Adding to 431420031 its reverse (130024134), we get a palindrome (561444165).

The spelling of 431420031 in words is "four hundred thirty-one million, four hundred twenty thousand, thirty-one".