211310023131 has 16 divisors (see below), whose sum is σ = 313226944800. Its totient is φ = 140794572384.

The previous prime is 211310023091. The next prime is 211310023151. The reversal of 211310023131 is 131320013112.

211310023131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211310023131 - 2⁷ = 211310023003 is a prime.

It is a super-2 number, since 2×211310023131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211310023151) 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 15 ways as a sum of consecutive naturals, for example, 2139036 + ... + 2235641.

It is an arithmetic number, because the mean of its divisors is an integer number (19576684050).

Almost surely, 2^211310023131 is an apocalyptic number.

211310023131 is a deficient number, since it is larger than the sum of its proper divisors (101916921669).

211310023131 is a wasteful number, since it uses less digits than its factorization.

211310023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376475 (or 4376469 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211310023131 its reverse (131320013112), we get a palindrome (342630036243).

The spelling of 211310023131 in words is "two hundred eleven billion, three hundred ten million, twenty-three thousand, one hundred thirty-one".