31422230240 has 96 divisors (see below), whose sum is σ = 74880106560. Its totient is φ = 12460032000.

The previous prime is 31422230227. The next prime is 31422230251. The reversal of 31422230240 is 4203222413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15485546 + ... + 15487574.

It is an arithmetic number, because the mean of its divisors is an integer number (780001110).

Almost surely, 2^31422230240 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 31422230240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37440053280).

31422230240 is an abundant number, since it is smaller than the sum of its proper divisors (43457876320).

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

31422230240 is a wasteful number, since it uses less digits than its factorization.

31422230240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31422230240 its reverse (4203222413), we get a palindrome (35625452653).

The spelling of 31422230240 in words is "thirty-one billion, four hundred twenty-two million, two hundred thirty thousand, two hundred forty".