102003131323 has 2 divisors, whose sum is σ = 102003131324. Its totient is φ = 102003131322.

The previous prime is 102003131317. The next prime is 102003131333. The reversal of 102003131323 is 323131300201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102003131323 - 2⁹ = 102003130811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102003131323.

It is not a weakly prime, because it can be changed into another prime (102003131333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001565661 + 51001565662.

It is an arithmetic number, because the mean of its divisors is an integer number (51001565662).

Almost surely, 2^102003131323 is an apocalyptic number.

102003131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

102003131323 is an equidigital number, since it uses as much as digits as its factorization.

102003131323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102003131323 its reverse (323131300201), we get a palindrome (425134431524).

It can be divided in two parts, 10200313 and 1323, that added together give a square (10201636 = 3194²).

The spelling of 102003131323 in words is "one hundred two billion, three million, one hundred thirty-one thousand, three hundred twenty-three".