432401431 has 24 divisors (see below), whose sum is σ = 556502400. Its totient is φ = 332161200.

The previous prime is 432401419. The next prime is 432401461. The reversal of 432401431 is 134104234.

It is not a de Polignac number, because 432401431 - 2⁵ = 432401399 is a prime.

It is a super-2 number, since 2×432401431² = 373941995061695522, 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 (432401461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32620 + ... + 43918.

It is an arithmetic number, because the mean of its divisors is an integer number (23187600).

Almost surely, 2^432401431 is an apocalyptic number.

432401431 is a deficient number, since it is larger than the sum of its proper divisors (124100969).

432401431 is a wasteful number, since it uses less digits than its factorization.

432401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395 (or 11388 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 432401431 is about 20794.2643774672. The cubic root of 432401431 is about 756.1867108569.

Adding to 432401431 its reverse (134104234), we get a palindrome (566505665).

The spelling of 432401431 in words is "four hundred thirty-two million, four hundred one thousand, four hundred thirty-one".