1023111313 has 4 divisors (see below), whose sum is σ = 1169270080. Its totient is φ = 876952548.

The previous prime is 1023111301. The next prime is 1023111343. The reversal of 1023111313 is 3131113201.

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 1023111313 - 2⁹ = 1023110801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023111343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73079373 + ... + 73079386.

It is an arithmetic number, because the mean of its divisors is an integer number (292317520).

Almost surely, 2^1023111313 is an apocalyptic number.

It is an amenable number.

1023111313 is a deficient number, since it is larger than the sum of its proper divisors (146158767).

1023111313 is an equidigital number, since it uses as much as digits as its factorization.

1023111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146158766.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1023111313 is about 31986.1112516042. Note that the first 3 decimals coincide. The cubic root of 1023111313 is about 1007.6451733740.

Adding to 1023111313 its reverse (3131113201), we get a palindrome (4154224514).

The spelling of 1023111313 in words is "one billion, twenty-three million, one hundred eleven thousand, three hundred thirteen".