10310320121 has 4 divisors (see below), whose sum is σ = 10391503872. Its totient is φ = 10229136372.

The previous prime is 10310320109. The next prime is 10310320127. The reversal of 10310320121 is 12102301301.

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: 12102301301 = 2707 ⋅4470743.

It is a cyclic number.

It is not a de Polignac number, because 10310320121 - 2⁶ = 10310320057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10310320096 and 10310320105.

It is not an unprimeable number, because it can be changed into a prime (10310320127) 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, 40591685 + ... + 40591938.

It is an arithmetic number, because the mean of its divisors is an integer number (2597875968).

Almost surely, 2^10310320121 is an apocalyptic number.

It is an amenable number.

10310320121 is a deficient number, since it is larger than the sum of its proper divisors (81183751).

10310320121 is an equidigital number, since it uses as much as digits as its factorization.

10310320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81183750.

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

Adding to 10310320121 its reverse (12102301301), we get a palindrome (22412621422).

The spelling of 10310320121 in words is "ten billion, three hundred ten million, three hundred twenty thousand, one hundred twenty-one".