10123120131 has 4 divisors (see below), whose sum is σ = 13497493512. Its totient is φ = 6748746752.

The previous prime is 10123120123. The next prime is 10123120187. The reversal of 10123120131 is 13102132101.

It is a happy number.

10123120131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10123120131 - 2³ = 10123120123 is a prime.

It is a super-2 number, since 2×10123120131² (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 10123120131.

It is not an unprimeable number, because it can be changed into a prime (10123120121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687186686 + ... + 1687186691.

It is an arithmetic number, because the mean of its divisors is an integer number (3374373378).

Almost surely, 2^10123120131 is an apocalyptic number.

10123120131 is a deficient number, since it is larger than the sum of its proper divisors (3374373381).

10123120131 is an equidigital number, since it uses as much as digits as its factorization.

10123120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374373380.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10123120131 its reverse (13102132101), we get a palindrome (23225252232).

The spelling of 10123120131 in words is "ten billion, one hundred twenty-three million, one hundred twenty thousand, one hundred thirty-one".