431320794612 has 24 divisors (see below), whose sum is σ = 1006435310496. Its totient is φ = 143770723488.

The previous prime is 431320794577. The next prime is 431320794613. The reversal of 431320794612 is 216497023134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431320794613) 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 in 7 ways as a sum of consecutive naturals, for example, 316698 + ... + 981294.

It is an arithmetic number, because the mean of its divisors is an integer number (41934804604).

Almost surely, 2^431320794612 is an apocalyptic number.

It is an amenable number.

431320794612 is an abundant number, since it is smaller than the sum of its proper divisors (575114515884).

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

431320794612 is a wasteful number, since it uses less digits than its factorization.

431320794612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718687 (or 718685 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 431320794612 in words is "four hundred thirty-one billion, three hundred twenty million, seven hundred ninety-four thousand, six hundred twelve".