431113542 has 16 divisors (see below), whose sum is σ = 862505712. Its totient is φ = 143658080.

The previous prime is 431113519. The next prime is 431113547. The reversal of 431113542 is 245311134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431113547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12292 + ... + 31832.

It is an arithmetic number, because the mean of its divisors is an integer number (53906607).

Almost surely, 2^431113542 is an apocalyptic number.

431113542 is an abundant number, since it is smaller than the sum of its proper divisors (431392170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431113542 is a wasteful number, since it uses less digits than its factorization.

431113542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23223.

The product of its digits is 1440, while the sum is 24.

The square root of 431113542 is about 20763.2738748012. The cubic root of 431113542 is about 755.4352077619.

Adding to 431113542 its reverse (245311134), we get a palindrome (676424676).

The spelling of 431113542 in words is "four hundred thirty-one million, one hundred thirteen thousand, five hundred forty-two".