1031320201123 has 8 divisors (see below), whose sum is σ = 1049165589680. Its totient is φ = 1013505086880.

The previous prime is 1031320201097. The next prime is 1031320201133. The reversal of 1031320201123 is 3211020231301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031320201123 - 2⁵ = 1031320201091 is a prime.

It is a super-2 number, since 2×1031320201123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031320201123.

It is not an unprimeable number, because it can be changed into a prime (1031320201133) 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 7 ways as a sum of consecutive naturals, for example, 7499853 + ... + 7636126.

It is an arithmetic number, because the mean of its divisors is an integer number (131145698710).

Almost surely, 2^{1031320201123} is an apocalyptic number.

1031320201123 is a deficient number, since it is larger than the sum of its proper divisors (17845388557).

1031320201123 is a wasteful number, since it uses less digits than its factorization.

1031320201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137157.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031320201123 its reverse (3211020231301), we get a palindrome (4242340432424).

The spelling of 1031320201123 in words is "one trillion, thirty-one billion, three hundred twenty million, two hundred one thousand, one hundred twenty-three".