102002110331 has 4 divisors (see below), whose sum is σ = 111275029464. Its totient is φ = 92729191200.

The previous prime is 102002110297. The next prime is 102002110361. The reversal of 102002110331 is 133011200201.

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-102002110331 is a prime.

It is a super-2 number, since 2×102002110331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002110361) 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, 4636459550 + ... + 4636459571.

It is an arithmetic number, because the mean of its divisors is an integer number (27818757366).

Almost surely, 2^102002110331 is an apocalyptic number.

102002110331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102002110331 is a deficient number, since it is larger than the sum of its proper divisors (9272919133).

102002110331 is an equidigital number, since it uses as much as digits as its factorization.

102002110331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272919132.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102002110331 its reverse (133011200201), we get a palindrome (235013310532).

The spelling of 102002110331 in words is "one hundred two billion, two million, one hundred ten thousand, three hundred thirty-one".