1031003231201 has 4 divisors (see below), whose sum is σ = 1032582103572. Its totient is φ = 1029424358832.

The previous prime is 1031003231197. The next prime is 1031003231213. The reversal of 1031003231201 is 1021323001301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 627493701025 + 403509530176 = 792145^2 + 635224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031003231201 - 2² = 1031003231197 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 1031003231201.

It is not an unprimeable number, because it can be changed into a prime (1031003231231) 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, 789435206 + ... + 789436511.

It is an arithmetic number, because the mean of its divisors is an integer number (258145525893).

Almost surely, 2^{1031003231201} is an apocalyptic number.

It is an amenable number.

1031003231201 is a deficient number, since it is larger than the sum of its proper divisors (1578872371).

1031003231201 is an equidigital number, since it uses as much as digits as its factorization.

1031003231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578872370.

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

Adding to 1031003231201 its reverse (1021323001301), we get a palindrome (2052326232502).

The spelling of 1031003231201 in words is "one trillion, thirty-one billion, three million, two hundred thirty-one thousand, two hundred one".