10312020231211 has 4 divisors (see below), whose sum is σ = 10312354427800. Its totient is φ = 10311686034624.

The previous prime is 10312020231199. The next prime is 10312020231217. The reversal of 10312020231211 is 11213202021301.

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

It is a cyclic number.

It is not a de Polignac number, because 10312020231211 - 2¹⁷ = 10312020100139 is a prime.

It is a super-2 number, since 2×10312020231211² (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 (10312020231217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167052006 + ... + 167113723.

It is an arithmetic number, because the mean of its divisors is an integer number (2578088606950).

Almost surely, 2^{10312020231211} is an apocalyptic number.

10312020231211 is a deficient number, since it is larger than the sum of its proper divisors (334196589).

10312020231211 is an equidigital number, since it uses as much as digits as its factorization.

10312020231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334196588.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10312020231211 its reverse (11213202021301), we get a palindrome (21525222252512).

The spelling of 10312020231211 in words is "ten trillion, three hundred twelve billion, twenty million, two hundred thirty-one thousand, two hundred eleven".