202102103320231 has 4 divisors (see below), whose sum is σ = 205527562698600. Its totient is φ = 198676643941864.

The previous prime is 202102103320211. The next prime is 202102103320253. The reversal of 202102103320231 is 132023301201202.

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

It is a cyclic number.

It is not a de Polignac number, because 202102103320231 - 2¹¹ = 202102103318183 is a prime.

It is a super-2 number, since 2×202102103320231² (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 (202102103320211) 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, 1712729689096 + ... + 1712729689213.

It is an arithmetic number, because the mean of its divisors is an integer number (51381890674650).

Almost surely, 2^{202102103320231} is an apocalyptic number.

202102103320231 is a deficient number, since it is larger than the sum of its proper divisors (3425459378369).

202102103320231 is an equidigital number, since it uses as much as digits as its factorization.

202102103320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425459378368.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202102103320231 its reverse (132023301201202), we get a palindrome (334125404521433).

The spelling of 202102103320231 in words is "two hundred two trillion, one hundred two billion, one hundred three million, three hundred twenty thousand, two hundred thirty-one".