431338296542 has 4 divisors (see below), whose sum is σ = 647007444816. Its totient is φ = 215669148270.

The previous prime is 431338296539. The next prime is 431338296547. The reversal of 431338296542 is 245692833134.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431338296547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107834574134 + ... + 107834574137.

It is an arithmetic number, because the mean of its divisors is an integer number (161751861204).

Almost surely, 2^431338296542 is an apocalyptic number.

431338296542 is a deficient number, since it is larger than the sum of its proper divisors (215669148274).

431338296542 is a wasteful number, since it uses less digits than its factorization.

431338296542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215669148273.

The product of its digits is 3732480, while the sum is 50.

The spelling of 431338296542 in words is "four hundred thirty-one billion, three hundred thirty-eight million, two hundred ninety-six thousand, five hundred forty-two".