1313130202133 has 4 divisors (see below), whose sum is σ = 1313134371948. Its totient is φ = 1313126032320.

The previous prime is 1313130202129. The next prime is 1313130202151. The reversal of 1313130202133 is 3312020313131.

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 983284442449 + 329845759684 = 991607^2 + 574322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313130202133 - 2² = 1313130202129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313130202099 and 1313130202108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313130202123) 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, 1570178 + ... + 2256483.

It is an arithmetic number, because the mean of its divisors is an integer number (328283592987).

Almost surely, 2^{1313130202133} is an apocalyptic number.

It is an amenable number.

1313130202133 is a deficient number, since it is larger than the sum of its proper divisors (4169815).

1313130202133 is an equidigital number, since it uses as much as digits as its factorization.

1313130202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169814.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313130202133 its reverse (3312020313131), we get a palindrome (4625150515264).

The spelling of 1313130202133 in words is "one trillion, three hundred thirteen billion, one hundred thirty million, two hundred two thousand, one hundred thirty-three".