1233011020313 has 4 divisors (see below), whose sum is σ = 1261685695248. Its totient is φ = 1204336345380.

The previous prime is 1233011020309. The next prime is 1233011020337. The reversal of 1233011020313 is 3130201103321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1233011020313 - 2² = 1233011020309 is a prime.

It is a super-3 number, since 3×1233011020313³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1233011220313) 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, 14337337403 + ... + 14337337488.

It is an arithmetic number, because the mean of its divisors is an integer number (315421423812).

Almost surely, 2^{1233011020313} is an apocalyptic number.

It is an amenable number.

1233011020313 is a deficient number, since it is larger than the sum of its proper divisors (28674674935).

1233011020313 is an equidigital number, since it uses as much as digits as its factorization.

1233011020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28674674934.

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

Adding to 1233011020313 its reverse (3130201103321), we get a palindrome (4363212123634).

The spelling of 1233011020313 in words is "one trillion, two hundred thirty-three billion, eleven million, twenty thousand, three hundred thirteen".