1031722111744 has 72 divisors (see below), whose sum is σ = 2168971182000. Its totient is φ = 488447410176.

The previous prime is 1031722111729. The next prime is 1031722111751. The reversal of 1031722111744 is 4471112271301.

It is a super-2 number, since 2×1031722111744² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9131952 + ... + 9244240.

It is an arithmetic number, because the mean of its divisors is an integer number (30124599750).

Almost surely, 2^{1031722111744} 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 1031722111744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084485591000).

1031722111744 is an abundant number, since it is smaller than the sum of its proper divisors (1137249070256).

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

1031722111744 is a wasteful number, since it uses less digits than its factorization.

1031722111744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114213 (or 114199 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 1031722111744 in words is "one trillion, thirty-one billion, seven hundred twenty-two million, one hundred eleven thousand, seven hundred forty-four".