31969705482 has 576 divisors, whose sum is σ = 93694648320. Its totient is φ = 8083152000.

The previous prime is 31969705477. The next prime is 31969705511. The reversal of 31969705482 is 28450796913.

31969705482 is a `hidden beast` number, since 3 + 1 + 9 + 6 + 97 + 0 + 548 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 287 ways as a sum of consecutive naturals, for example, 450277507 + ... + 450277577.

It is an arithmetic number, because the mean of its divisors is an integer number (162664320).

It is a 1-persistent number, because it is pandigital, but 2⋅31969705482 = 63939410964 is not.

Almost surely, 2^31969705482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31969705482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46847324160).

31969705482 is an abundant number, since it is smaller than the sum of its proper divisors (61724942838).

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

31969705482 is a wasteful number, since it uses less digits than its factorization.

31969705482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

It can be divided in two parts, 319 and 69705482, that added together give a square (69705801 = 8349²).

The spelling of 31969705482 in words is "thirty-one billion, nine hundred sixty-nine million, seven hundred five thousand, four hundred eighty-two".