10102031321 has 4 divisors (see below), whose sum is σ = 10633717200. Its totient is φ = 9570345444.

The previous prime is 10102031299. The next prime is 10102031327. The reversal of 10102031321 is 12313020101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12313020101 = 4217 ⋅2919853.

It is a cyclic number.

It is not a de Polignac number, because 10102031321 - 2¹⁰ = 10102030297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10102031296 and 10102031305.

It is not an unprimeable number, because it can be changed into a prime (10102031327) 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, 265842911 + ... + 265842948.

It is an arithmetic number, because the mean of its divisors is an integer number (2658429300).

Almost surely, 2^10102031321 is an apocalyptic number.

It is an amenable number.

10102031321 is a deficient number, since it is larger than the sum of its proper divisors (531685879).

10102031321 is an equidigital number, since it uses as much as digits as its factorization.

10102031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531685878.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10102031321 its reverse (12313020101), we get a palindrome (22415051422).

The spelling of 10102031321 in words is "ten billion, one hundred two million, thirty-one thousand, three hundred twenty-one".