1031425079281 has 15 divisors (see below), whose sum is σ = 1071691084365. Its totient is φ = 992638643400.

The previous prime is 1031425079221. The next prime is 1031425079371. The reversal of 1031425079281 is 1829705241301.

The square root of 1031425079281 is 1015591.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 986464117681 + 44960961600 = 993209^2 + 212040^2 .

It is not a de Polignac number, because 1031425079281 - 2²⁹ = 1030888208369 is a prime.

It is a super-2 number, since 2×1031425079281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031425079221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5698481011 + ... + 5698481191.

It is an arithmetic number, because the mean of its divisors is an integer number (71446072291).

Almost surely, 2^{1031425079281} is an apocalyptic number.

1031425079281 is the 1015591-st square number.

1031425079281 is the 507796-th centered octagonal number.

It is an amenable number.

1031425079281 is a deficient number, since it is larger than the sum of its proper divisors (40266005084).

1031425079281 is an frugal number, since it uses more digits than its factorization.

1031425079281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1031425079281 in words is "one trillion, thirty-one billion, four hundred twenty-five million, seventy-nine thousand, two hundred eighty-one".