202102303131101 has 4 divisors (see below), whose sum is σ = 202274892631104. Its totient is φ = 201929713631100.

The previous prime is 202102303130993. The next prime is 202102303131161. The reversal of 202102303131101 is 101131303201202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202102303131101 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 (202102303131161) 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, 86294748245 + ... + 86294750586.

It is an arithmetic number, because the mean of its divisors is an integer number (50568723157776).

Almost surely, 2^{202102303131101} is an apocalyptic number.

It is an amenable number.

202102303131101 is a deficient number, since it is larger than the sum of its proper divisors (172589500003).

202102303131101 is a wasteful number, since it uses less digits than its factorization.

202102303131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172589500002.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 202102303131101 its reverse (101131303201202), we get a palindrome (303233606332303).

The spelling of 202102303131101 in words is "two hundred two trillion, one hundred two billion, three hundred three million, one hundred thirty-one thousand, one hundred one".