1201131322303 has 6 divisors (see below), whose sum is σ = 1320251784152. Its totient is φ = 1091937565620.

The previous prime is 1201131322301. The next prime is 1201131322327. The reversal of 1201131322303 is 3032231311021.

It is not a de Polignac number, because 1201131322303 - 2¹ = 1201131322301 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 (1201131322301) 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 5 ways as a sum of consecutive naturals, for example, 4963352451 + ... + 4963352692.

Almost surely, 2^{1201131322303} is an apocalyptic number.

1201131322303 is a deficient number, since it is larger than the sum of its proper divisors (119120461849).

1201131322303 is an equidigital number, since it uses as much as digits as its factorization.

1201131322303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926705165 (or 9926705154 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1201131322303 its reverse (3032231311021), we get a palindrome (4233362633324).

The spelling of 1201131322303 in words is "one trillion, two hundred one billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred three".