1031330200121 has 16 divisors (see below), whose sum is σ = 1167797495760. Its totient is φ = 904101246720.

The previous prime is 1031330200079. The next prime is 1031330200183. The reversal of 1031330200121 is 1210020331301.

It can be written as a sum of positive squares in 8 ways, for example, as 591676332025 + 439653868096 = 769205^2 + 663064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031330200121 is a prime.

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 1031330200121.

It is not an unprimeable number, because it can be changed into a prime (1031330200721) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22400150 + ... + 22446143.

It is an arithmetic number, because the mean of its divisors is an integer number (72987343485).

Almost surely, 2^{1031330200121} is an apocalyptic number.

It is an amenable number.

1031330200121 is a deficient number, since it is larger than the sum of its proper divisors (136467295639).

1031330200121 is a wasteful number, since it uses less digits than its factorization.

1031330200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44846396.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1031330200121 its reverse (1210020331301), we get a palindrome (2241350531422).

The spelling of 1031330200121 in words is "one trillion, thirty-one billion, three hundred thirty million, two hundred thousand, one hundred twenty-one".