31084719122 has 6 divisors (see below), whose sum is σ = 46627452693. Its totient is φ = 15542234892.

The previous prime is 31084719109. The next prime is 31084719137. The reversal of 31084719122 is 22191748013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31074990961 + 9728161 = 176281^2 + 3119^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=124669.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 187004 + ... + 311672.

Almost surely, 2^31084719122 is an apocalyptic number.

31084719122 is a deficient number, since it is larger than the sum of its proper divisors (15542733571).

31084719122 is an frugal number, since it uses more digits than its factorization.

31084719122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249340 (or 124671 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 31084719122 in words is "thirty-one billion, eighty-four million, seven hundred nineteen thousand, one hundred twenty-two".