102023031311 has 4 divisors (see below), whose sum is σ = 108024386112. Its totient is φ = 96021676512.

The previous prime is 102023031307. The next prime is 102023031343. The reversal of 102023031311 is 113130320201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102023031311 - 2² = 102023031307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6001354783 = 102023031311 / (1 + 0 + 2 + 0 + 2 + 3 + 0 + 3 + 1 + 3 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102023031311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023031611) 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, 3000677375 + ... + 3000677408.

It is an arithmetic number, because the mean of its divisors is an integer number (27006096528).

Almost surely, 2^102023031311 is an apocalyptic number.

102023031311 is a deficient number, since it is larger than the sum of its proper divisors (6001354801).

102023031311 is an equidigital number, since it uses as much as digits as its factorization.

102023031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001354800.

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

Adding to 102023031311 its reverse (113130320201), we get a palindrome (215153351512).

The spelling of 102023031311 in words is "one hundred two billion, twenty-three million, thirty-one thousand, three hundred eleven".