102010301231321 has 4 divisors (see below), whose sum is σ = 116583201407232. Its totient is φ = 87437401055412.

The previous prime is 102010301231303. The next prime is 102010301231323. The reversal of 102010301231321 is 123132103010201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102010301231321 - 2³⁰ = 102009227489497 is a prime.

It is a super-2 number, since 2×102010301231321² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102010301231293 and 102010301231302.

It is not an unprimeable number, because it can be changed into a prime (102010301231323) 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, 7286450087945 + ... + 7286450087958.

It is an arithmetic number, because the mean of its divisors is an integer number (29145800351808).

Almost surely, 2^{102010301231321} is an apocalyptic number.

It is an amenable number.

102010301231321 is a deficient number, since it is larger than the sum of its proper divisors (14572900175911).

102010301231321 is an equidigital number, since it uses as much as digits as its factorization.

102010301231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572900175910.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102010301231321 its reverse (123132103010201), we get a palindrome (225142404241522).

The spelling of 102010301231321 in words is "one hundred two trillion, ten billion, three hundred one million, two hundred thirty-one thousand, three hundred twenty-one".