1031322113012 has 6 divisors (see below), whose sum is σ = 1804813697778. Its totient is φ = 515661056504.

The previous prime is 1031322112991. The next prime is 1031322113057. The reversal of 1031322113012 is 2103112231301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 968263872016 + 63058240996 = 984004^2 + 251114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128915264123 + ... + 128915264130.

It is an arithmetic number, because the mean of its divisors is an integer number (300802282963).

Almost surely, 2^{1031322113012} is an apocalyptic number.

It is an amenable number.

1031322113012 is a deficient number, since it is larger than the sum of its proper divisors (773491584766).

1031322113012 is a wasteful number, since it uses less digits than its factorization.

1031322113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257830528257 (or 257830528255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031322113012 its reverse (2103112231301), we get a palindrome (3134434344313).

The spelling of 1031322113012 in words is "one trillion, thirty-one billion, three hundred twenty-two million, one hundred thirteen thousand, twelve".