111023020313 has 4 divisors (see below), whose sum is σ = 112904766480. Its totient is φ = 109141274148.

The previous prime is 111023020301. The next prime is 111023020369. The reversal of 111023020313 is 313020320111.

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 a de Polignac number, because none of the positive numbers 2^k-111023020313 is a prime.

It is a super-2 number, since 2×111023020313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111023020291 and 111023020300.

It is not an unprimeable number, because it can be changed into a prime (111023020013) 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, 940872995 + ... + 940873112.

It is an arithmetic number, because the mean of its divisors is an integer number (28226191620).

Almost surely, 2^111023020313 is an apocalyptic number.

It is an amenable number.

111023020313 is a deficient number, since it is larger than the sum of its proper divisors (1881746167).

111023020313 is an equidigital number, since it uses as much as digits as its factorization.

111023020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881746166.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 111023020313 its reverse (313020320111), we get a palindrome (424043340424).

The spelling of 111023020313 in words is "one hundred eleven billion, twenty-three million, twenty thousand, three hundred thirteen".