102321301231213 has 4 divisors (see below), whose sum is σ = 102400191981340. Its totient is φ = 102242410481088.

The previous prime is 102321301231199. The next prime is 102321301231271. The reversal of 102321301231213 is 312132103123201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102048747278724 + 272553952489 = 10101918^2 + 522067^2 .

It is a cyclic number.

It is not a de Polignac number, because 102321301231213 - 2⁵ = 102321301231181 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 (102321301231013) 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, 39445373118 + ... + 39445375711.

It is an arithmetic number, because the mean of its divisors is an integer number (25600047995335).

Almost surely, 2^{102321301231213} is an apocalyptic number.

It is an amenable number.

102321301231213 is a deficient number, since it is larger than the sum of its proper divisors (78890750127).

102321301231213 is an equidigital number, since it uses as much as digits as its factorization.

102321301231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78890750126.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 102321301231213 its reverse (312132103123201), we get a palindrome (414453404354414).

The spelling of 102321301231213 in words is "one hundred two trillion, three hundred twenty-one billion, three hundred one million, two hundred thirty-one thousand, two hundred thirteen".