102031203331111 has 4 divisors (see below), whose sum is σ = 102031298442352. Its totient is φ = 102031108219872.

The previous prime is 102031203331069. The next prime is 102031203331153. The reversal of 102031203331111 is 111133302130201.

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

It is an interprime number because it is at equal distance from previous prime (102031203331069) and next prime (102031203331153).

It is a cyclic number.

It is not a de Polignac number, because 102031203331111 - 2⁷ = 102031203330983 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 (102031203331711) 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, 45927915 + ... + 48098188.

It is an arithmetic number, because the mean of its divisors is an integer number (25507824610588).

Almost surely, 2^{102031203331111} is an apocalyptic number.

102031203331111 is a deficient number, since it is larger than the sum of its proper divisors (95111241).

102031203331111 is an equidigital number, since it uses as much as digits as its factorization.

102031203331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95111240.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 102031203331111 its reverse (111133302130201), we get a palindrome (213164505461312).

The spelling of 102031203331111 in words is "one hundred two trillion, thirty-one billion, two hundred three million, three hundred thirty-one thousand, one hundred eleven".