10211131231 has 8 divisors (see below), whose sum is σ = 11778929280. Its totient is φ = 8670599448.

The previous prime is 10211131213. The next prime is 10211131247. The reversal of 10211131231 is 13213111201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10211131231 - 2¹¹ = 10211129183 is a prime.

It is a super-2 number, since 2×10211131231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211131201) 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 7 ways as a sum of consecutive naturals, for example, 6815761 + ... + 6817258.

It is an arithmetic number, because the mean of its divisors is an integer number (1472366160).

Almost surely, 2^10211131231 is an apocalyptic number.

10211131231 is a deficient number, since it is larger than the sum of its proper divisors (1567798049).

10211131231 is a wasteful number, since it uses less digits than its factorization.

10211131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633133.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10211131231 its reverse (13213111201), we get a palindrome (23424242432).

The spelling of 10211131231 in words is "ten billion, two hundred eleven million, one hundred thirty-one thousand, two hundred thirty-one".