102331323021 has 16 divisors (see below), whose sum is σ = 141574026944. Its totient is φ = 65692767744.

The previous prime is 102331322983. The next prime is 102331323049. The reversal of 102331323021 is 120323133201.

It is not a de Polignac number, because 102331323021 - 2¹³ = 102331314829 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 (102331323221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4741315 + ... + 4762848.

It is an arithmetic number, because the mean of its divisors is an integer number (8848376684).

Almost surely, 2^102331323021 is an apocalyptic number.

It is an amenable number.

102331323021 is a deficient number, since it is larger than the sum of its proper divisors (39242703923).

102331323021 is an equidigital number, since it uses as much as digits as its factorization.

102331323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504300.

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

Adding to 102331323021 its reverse (120323133201), we get a palindrome (222654456222).

The spelling of 102331323021 in words is "one hundred two billion, three hundred thirty-one million, three hundred twenty-three thousand, twenty-one".