10311320332121 has 4 divisors (see below), whose sum is σ = 10315129466832. Its totient is φ = 10307511197412.

The previous prime is 10311320332099. The next prime is 10311320332123. The reversal of 10311320332121 is 12123302311301.

10311320332121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-10311320332121 is a prime.

It is a super-2 number, since 2×10311320332121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311320332123) 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, 1904563295 + ... + 1904568708.

It is an arithmetic number, because the mean of its divisors is an integer number (2578782366708).

Almost surely, 2^{10311320332121} is an apocalyptic number.

It is an amenable number.

10311320332121 is a deficient number, since it is larger than the sum of its proper divisors (3809134711).

10311320332121 is an equidigital number, since it uses as much as digits as its factorization.

10311320332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809134710.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 10311320332121 its reverse (12123302311301), we get a palindrome (22434622643422).

The spelling of 10311320332121 in words is "ten trillion, three hundred eleven billion, three hundred twenty million, three hundred thirty-two thousand, one hundred twenty-one".