10123111131 has 16 divisors (see below), whose sum is σ = 15428832000. Its totient is φ = 5783457888.

The previous prime is 10123111087. The next prime is 10123111133. The reversal of 10123111131 is 13111132101.

It is not a de Polignac number, because 10123111131 - 2⁹ = 10123110619 is a prime.

It is a super-2 number, since 2×10123111131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10123111131.

It is not an unprimeable number, because it can be changed into a prime (10123111133) 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, 62520 + ... + 155418.

It is an arithmetic number, because the mean of its divisors is an integer number (964302000).

Almost surely, 2^10123111131 is an apocalyptic number.

10123111131 is a deficient number, since it is larger than the sum of its proper divisors (5305720869).

10123111131 is an equidigital number, since it uses as much as digits as its factorization.

10123111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98098.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10123111131 its reverse (13111132101), we get a palindrome (23234243232).

The spelling of 10123111131 in words is "ten billion, one hundred twenty-three million, one hundred eleven thousand, one hundred thirty-one".