431342132502 has 32 divisors (see below), whose sum is σ = 895825370880. Its totient is φ = 138294897440.

The previous prime is 431342132477. The next prime is 431342132521. The reversal of 431342132502 is 205231243134.

It is a self number, because there is not a number n which added to its sum of digits gives 431342132502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4667124 + ... + 4758647.

It is an arithmetic number, because the mean of its divisors is an integer number (27994542840).

Almost surely, 2^431342132502 is an apocalyptic number.

431342132502 is an abundant number, since it is smaller than the sum of its proper divisors (464483238378).

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

431342132502 is a wasteful number, since it uses less digits than its factorization.

431342132502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426068.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 431342132502 its reverse (205231243134), we get a palindrome (636573375636).

The spelling of 431342132502 in words is "four hundred thirty-one billion, three hundred forty-two million, one hundred thirty-two thousand, five hundred two".