1013111111333 has 4 divisors (see below), whose sum is σ = 1019326517088. Its totient is φ = 1006895705580.

The previous prime is 1013111111293. The next prime is 1013111111401. The reversal of 1013111111333 is 3331111113101.

It is a happy number.

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 1013111111333 - 2⁶ = 1013111111269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013111141333) 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, 3107702633 + ... + 3107702958.

It is an arithmetic number, because the mean of its divisors is an integer number (254831629272).

Almost surely, 2^{1013111111333} is an apocalyptic number.

It is an amenable number.

1013111111333 is a deficient number, since it is larger than the sum of its proper divisors (6215405755).

1013111111333 is an equidigital number, since it uses as much as digits as its factorization.

1013111111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215405754.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 1013111111333 its reverse (3331111113101), we get a palindrome (4344222224434).

The spelling of 1013111111333 in words is "one trillion, thirteen billion, one hundred eleven million, one hundred eleven thousand, three hundred thirty-three".