323131719999424 has 112 divisors (see below), whose sum is σ = 734525494103808. Its totient is φ = 138162125058048.

The previous prime is 323131719999353. The next prime is 323131719999433. The reversal of 323131719999424 is 424999917131323.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 323131719999424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051727987 + ... + 3051833869.

Almost surely, 2^{323131719999424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323131719999424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367262747051904).

323131719999424 is an abundant number, since it is smaller than the sum of its proper divisors (411393774104384).

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

323131719999424 is a wasteful number, since it uses less digits than its factorization.

323131719999424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121722 (or 121712 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 67.

The spelling of 323131719999424 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, seven hundred nineteen million, nine hundred ninety-nine thousand, four hundred twenty-four".