1023311113 has 4 divisors (see below), whose sum is σ = 1116339408. Its totient is φ = 930282820.

The previous prime is 1023311071. The next prime is 1023311123. The reversal of 1023311113 is 3111133201.

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-1023311113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023311123) 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, 46514131 + ... + 46514152.

It is an arithmetic number, because the mean of its divisors is an integer number (279084852).

Almost surely, 2^1023311113 is an apocalyptic number.

It is an amenable number.

1023311113 is a deficient number, since it is larger than the sum of its proper divisors (93028295).

1023311113 is an equidigital number, since it uses as much as digits as its factorization.

1023311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93028294.

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

The square root of 1023311113 is about 31989.2343296929. The cubic root of 1023311113 is about 1007.7107623277.

Adding to 1023311113 its reverse (3111133201), we get a palindrome (4134444314).

The spelling of 1023311113 in words is "one billion, twenty-three million, three hundred eleven thousand, one hundred thirteen".