102311212331201 has 4 divisors (see below), whose sum is σ = 102614806433412. Its totient is φ = 102007618228992.

The previous prime is 102311212331183. The next prime is 102311212331221. The reversal of 102311212331201 is 102133212113201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23625442081201 + 78685770250000 = 4860601^2 + 8870500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102311212331201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102311212331221) 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, 151797050600 + ... + 151797051273.

It is an arithmetic number, because the mean of its divisors is an integer number (25653701608353).

Almost surely, 2^{102311212331201} is an apocalyptic number.

It is an amenable number.

102311212331201 is a deficient number, since it is larger than the sum of its proper divisors (303594102211).

102311212331201 is an equidigital number, since it uses as much as digits as its factorization.

102311212331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303594102210.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102311212331201 its reverse (102133212113201), we get a palindrome (204444424444402).

The spelling of 102311212331201 in words is "one hundred two trillion, three hundred eleven billion, two hundred twelve million, three hundred thirty-one thousand, two hundred one".