31264068432 has 160 divisors (see below), whose sum is σ = 84126401280. Its totient is φ = 9999360000.

The previous prime is 31264068427. The next prime is 31264068439. The reversal of 31264068432 is 23486046213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31264068439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20995944 + ... + 20997432.

It is an arithmetic number, because the mean of its divisors is an integer number (525790008).

Almost surely, 2^31264068432 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 31264068432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42063200640).

31264068432 is an abundant number, since it is smaller than the sum of its proper divisors (52862332848).

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

31264068432 is a wasteful number, since it uses less digits than its factorization.

31264068432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 31264068432 in words is "thirty-one billion, two hundred sixty-four million, sixty-eight thousand, four hundred thirty-two".