1313202031033 has 4 divisors (see below), whose sum is σ = 1314692613108. Its totient is φ = 1311711448960.

The previous prime is 1313202030997. The next prime is 1313202031039. The reversal of 1313202031033 is 3301302023131.

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 578250743184 + 734951287849 = 760428^2 + 857293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313202031033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313202030995 and 1313202031013.

It is not an unprimeable number, because it can be changed into a prime (1313202031039) 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 3 ways as a sum of consecutive naturals, for example, 745289716 + ... + 745291477.

It is an arithmetic number, because the mean of its divisors is an integer number (328673153277).

Almost surely, 2^{1313202031033} is an apocalyptic number.

It is an amenable number.

1313202031033 is a deficient number, since it is larger than the sum of its proper divisors (1490582075).

1313202031033 is an equidigital number, since it uses as much as digits as its factorization.

1313202031033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490582074.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1313202031033 its reverse (3301302023131), we get a palindrome (4614504054164).

The spelling of 1313202031033 in words is "one trillion, three hundred thirteen billion, two hundred two million, thirty-one thousand, thirty-three".