102202302113231 has 4 divisors (see below), whose sum is σ = 102202368253992. Its totient is φ = 102202235972472.

The previous prime is 102202302113213. The next prime is 102202302113237. The reversal of 102202302113231 is 132311203202201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102202302113231 is a prime.

It is a super-2 number, since 2×102202302113231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102202302113197 and 102202302113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202302113237) 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, 30695705 + ... + 33861938.

It is an arithmetic number, because the mean of its divisors is an integer number (25550592063498).

Almost surely, 2^{102202302113231} is an apocalyptic number.

102202302113231 is a deficient number, since it is larger than the sum of its proper divisors (66140761).

102202302113231 is an equidigital number, since it uses as much as digits as its factorization.

102202302113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66140760.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102202302113231 its reverse (132311203202201), we get a palindrome (234513505315432).

The spelling of 102202302113231 in words is "one hundred two trillion, two hundred two billion, three hundred two million, one hundred thirteen thousand, two hundred thirty-one".