1203311020133 has 4 divisors (see below), whose sum is σ = 1203341367648. Its totient is φ = 1203280672620.

The previous prime is 1203311020129. The next prime is 1203311020147. The reversal of 1203311020133 is 3310201133021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1203311020133 - 2² = 1203311020129 is a prime.

It is a super-2 number, since 2×1203311020133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203311020633) 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 3 ways as a sum of consecutive naturals, for example, 15114203 + ... + 15193608.

It is an arithmetic number, because the mean of its divisors is an integer number (300835341912).

Almost surely, 2^{1203311020133} is an apocalyptic number.

It is an amenable number.

1203311020133 is a deficient number, since it is larger than the sum of its proper divisors (30347515).

1203311020133 is an equidigital number, since it uses as much as digits as its factorization.

1203311020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30347514.

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

Adding to 1203311020133 its reverse (3310201133021), we get a palindrome (4513512153154).

The spelling of 1203311020133 in words is "one trillion, two hundred three billion, three hundred eleven million, twenty thousand, one hundred thirty-three".