1313012012033 has 4 divisors (see below), whose sum is σ = 1358288288340. Its totient is φ = 1267735735728.

The previous prime is 1313012012029. The next prime is 1313012012047. The reversal of 1313012012033 is 3302102103131.

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 1013680471489 + 299331540544 = 1006817^2 + 547112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313012012033 - 2² = 1313012012029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313012011996 and 1313012012014.

It is not an unprimeable number, because it can be changed into a prime (1313012012833) 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, 22638138110 + ... + 22638138167.

It is an arithmetic number, because the mean of its divisors is an integer number (339572072085).

Almost surely, 2^{1313012012033} is an apocalyptic number.

It is an amenable number.

1313012012033 is a deficient number, since it is larger than the sum of its proper divisors (45276276307).

1313012012033 is an equidigital number, since it uses as much as digits as its factorization.

1313012012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45276276306.

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

Adding to 1313012012033 its reverse (3302102103131), we get a palindrome (4615114115164).

The spelling of 1313012012033 in words is "one trillion, three hundred thirteen billion, twelve million, twelve thousand, thirty-three".