1303001002133 has 4 divisors (see below), whose sum is σ = 1303003582860. Its totient is φ = 1302998421408.

The previous prime is 1303001002129. The next prime is 1303001002169. The reversal of 1303001002133 is 3312001003031.

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 312175860529 + 990825141604 = 558727^2 + 995402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303001002133 - 2² = 1303001002129 is a prime.

It is a super-2 number, since 2×1303001002133² (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 (1303001002123) 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, 257360 + ... + 1634697.

It is an arithmetic number, because the mean of its divisors is an integer number (325750895715).

Almost surely, 2^{1303001002133} is an apocalyptic number.

It is an amenable number.

1303001002133 is a deficient number, since it is larger than the sum of its proper divisors (2580727).

1303001002133 is an equidigital number, since it uses as much as digits as its factorization.

1303001002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580726.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1303001002133 its reverse (3312001003031), we get a palindrome (4615002005164).

The spelling of 1303001002133 in words is "one trillion, three hundred three billion, one million, two thousand, one hundred thirty-three".