102201331323 has 32 divisors (see below), whose sum is σ = 177580601856. Its totient is φ = 50737310208.

The previous prime is 102201331319. The next prime is 102201331333. The reversal of 102201331323 is 323133102201.

It is not a de Polignac number, because 102201331323 - 2² = 102201331319 is a prime.

It is a super-2 number, since 2×102201331323² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102201331323.

It is not an unprimeable number, because it can be changed into a prime (102201331313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11006061 + ... + 11015342.

It is an arithmetic number, because the mean of its divisors is an integer number (5549393808).

Almost surely, 2^102201331323 is an apocalyptic number.

102201331323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102201331323 is a deficient number, since it is larger than the sum of its proper divisors (75379270533).

102201331323 is a wasteful number, since it uses less digits than its factorization.

102201331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021443.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 102201331323 its reverse (323133102201), we get a palindrome (425334433524).

The spelling of 102201331323 in words is "one hundred two billion, two hundred one million, three hundred thirty-one thousand, three hundred twenty-three".