1031311000122 has 64 divisors (see below), whose sum is σ = 2238164423040. Its totient is φ = 314916989184.

The previous prime is 1031311000079. The next prime is 1031311000163. The reversal of 1031311000122 is 2210001131301.

It is a happy 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 31 ways as a sum of consecutive naturals, for example, 29006268 + ... + 29041800.

It is an arithmetic number, because the mean of its divisors is an integer number (34971319110).

Almost surely, 2^{1031311000122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031311000122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119082211520).

1031311000122 is an abundant number, since it is smaller than the sum of its proper divisors (1206853422918).

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

1031311000122 is a wasteful number, since it uses less digits than its factorization.

1031311000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38367.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1031311000122 its reverse (2210001131301), we get a palindrome (3241312131423).

The spelling of 1031311000122 in words is "one trillion, thirty-one billion, three hundred eleven million, one hundred twenty-two", and thus it is an aban number.