1031200323311 has 4 divisors (see below), whose sum is σ = 1038121131000. Its totient is φ = 1024279515624.

The previous prime is 1031200323289. The next prime is 1031200323337. The reversal of 1031200323311 is 1133230021301.

1031200323311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031200323311 - 2³⁰ = 1030126581487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031200323511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460403621 + ... + 3460403918.

It is an arithmetic number, because the mean of its divisors is an integer number (259530282750).

Almost surely, 2^{1031200323311} is an apocalyptic number.

1031200323311 is a deficient number, since it is larger than the sum of its proper divisors (6920807689).

1031200323311 is an equidigital number, since it uses as much as digits as its factorization.

1031200323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920807688.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031200323311 its reverse (1133230021301), we get a palindrome (2164430344612).

The spelling of 1031200323311 in words is "one trillion, thirty-one billion, two hundred million, three hundred twenty-three thousand, three hundred eleven".