1203201001331 has 16 divisors (see below), whose sum is σ = 1376902540800. Its totient is φ = 1029954029568.

The previous prime is 1203201001309. The next prime is 1203201001333. The reversal of 1203201001331 is 1331001023021.

It is a cyclic number.

It is not a de Polignac number, because 1203201001331 - 2⁶ = 1203201001267 is a prime.

It is a super-2 number, since 2×1203201001331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203201001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24327155 + ... + 24376563.

It is an arithmetic number, because the mean of its divisors is an integer number (86056408800).

Almost surely, 2^{1203201001331} is an apocalyptic number.

1203201001331 is a deficient number, since it is larger than the sum of its proper divisors (173701539469).

1203201001331 is an equidigital number, since it uses as much as digits as its factorization.

1203201001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53938.

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

Adding to 1203201001331 its reverse (1331001023021), we get a palindrome (2534202024352).

The spelling of 1203201001331 in words is "one trillion, two hundred three billion, two hundred one million, one thousand, three hundred thirty-one".