102231312312113 has 4 divisors (see below), whose sum is σ = 102231357363828. Its totient is φ = 102231267260400.

The previous prime is 102231312312083. The next prime is 102231312312163. The reversal of 102231312312113 is 311213213132201.

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 22247749429504 + 79983562882609 = 4716752^2 + 8943353^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231312312113 - 2¹² = 102231312308017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102231312312163) 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, 18930806 + ... + 23724207.

It is an arithmetic number, because the mean of its divisors is an integer number (25557839340957).

Almost surely, 2^{102231312312113} is an apocalyptic number.

It is an amenable number.

102231312312113 is a deficient number, since it is larger than the sum of its proper divisors (45051715).

102231312312113 is an equidigital number, since it uses as much as digits as its factorization.

102231312312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45051714.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 102231312312113 its reverse (311213213132201), we get a palindrome (413444525444314).

The spelling of 102231312312113 in words is "one hundred two trillion, two hundred thirty-one billion, three hundred twelve million, three hundred twelve thousand, one hundred thirteen".