31089593304 has 576 divisors, whose sum is σ = 113524519680. Its totient is φ = 7584192000.

The previous prime is 31089593303. The next prime is 31089593351. The reversal of 31089593304 is 40339598013.

It is a self number, because there is not a number n which added to its sum of digits gives 31089593304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31089593303) 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 143 ways as a sum of consecutive naturals, for example, 54447339 + ... + 54447909.

It is an arithmetic number, because the mean of its divisors is an integer number (197091180).

Almost surely, 2^31089593304 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 31089593304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56762259840).

31089593304 is an abundant number, since it is smaller than the sum of its proper divisors (82434926376).

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

31089593304 is a wasteful number, since it uses less digits than its factorization.

31089593304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 31089593304 in words is "thirty-one billion, eighty-nine million, five hundred ninety-three thousand, three hundred four".