102120311302231 has 8 divisors (see below), whose sum is σ = 106208238368144. Its totient is φ = 98110249513920.

The previous prime is 102120311302223. The next prime is 102120311302241. The reversal of 102120311302231 is 132203113021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120311302231 - 2³ = 102120311302223 is a prime.

It is a super-2 number, since 2×102120311302231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120311302241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19466316726 + ... + 19466321971.

It is an arithmetic number, because the mean of its divisors is an integer number (13276029796018).

Almost surely, 2^{102120311302231} is an apocalyptic number.

102120311302231 is a deficient number, since it is larger than the sum of its proper divisors (4087927065913).

102120311302231 is an equidigital number, since it uses as much as digits as its factorization.

102120311302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38932638801.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102120311302231 its reverse (132203113021201), we get a palindrome (234323424323432).

The spelling of 102120311302231 in words is "one hundred two trillion, one hundred twenty billion, three hundred eleven million, three hundred two thousand, two hundred thirty-one".