1313121220033 has 16 divisors (see below), whose sum is σ = 1502856875520. Its totient is φ = 1123922681856.

The previous prime is 1313121220007. The next prime is 1313121220067. The reversal of 1313121220033 is 3300221213131.

It is a cyclic number.

It is not a de Polignac number, because 1313121220033 - 2⁹ = 1313121219521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313121219986 and 1313121220013.

It is not an unprimeable number, because it can be changed into a prime (1313121220133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70524141 + ... + 70542757.

It is an arithmetic number, because the mean of its divisors is an integer number (93928554720).

Almost surely, 2^{1313121220033} is an apocalyptic number.

It is an amenable number.

1313121220033 is a deficient number, since it is larger than the sum of its proper divisors (189735655487).

1313121220033 is a wasteful number, since it uses less digits than its factorization.

1313121220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32496.

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

Adding to 1313121220033 its reverse (3300221213131), we get a palindrome (4613342433164).

The spelling of 1313121220033 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twenty thousand, thirty-three".