10311031211 has 12 divisors (see below), whose sum is σ = 11168434368. Its totient is φ = 9515117664.

The previous prime is 10311031201. The next prime is 10311031217. The reversal of 10311031211 is 11213011301.

It is a happy number.

It is not a de Polignac number, because 10311031211 - 2²⁶ = 10243922347 is a prime.

It is a super-2 number, since 2×10311031211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10311031217) 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 11 ways as a sum of consecutive naturals, for example, 788321 + ... + 801293.

It is an arithmetic number, because the mean of its divisors is an integer number (930702864).

Almost surely, 2^10311031211 is an apocalyptic number.

10311031211 is a deficient number, since it is larger than the sum of its proper divisors (857403157).

10311031211 is a wasteful number, since it uses less digits than its factorization.

10311031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17702 (or 17689 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10311031211 its reverse (11213011301), we get a palindrome (21524042512).

The spelling of 10311031211 in words is "ten billion, three hundred eleven million, thirty-one thousand, two hundred eleven".