130131112123 has 4 divisors (see below), whose sum is σ = 130132156720. Its totient is φ = 130130067528.

The previous prime is 130131112109. The next prime is 130131112147. The reversal of 130131112123 is 321211131031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 321211131031 = 7 ⋅45887304433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130131112123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130131112123.

It is not an unprimeable number, because it can be changed into a prime (130131112193) 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, 305415 + ... + 594592.

It is an arithmetic number, because the mean of its divisors is an integer number (32533039180).

Almost surely, 2^130131112123 is an apocalyptic number.

130131112123 is a deficient number, since it is larger than the sum of its proper divisors (1044597).

130131112123 is an equidigital number, since it uses as much as digits as its factorization.

130131112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044596.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 130131112123 its reverse (321211131031), we get a palindrome (451342243154).

The spelling of 130131112123 in words is "one hundred thirty billion, one hundred thirty-one million, one hundred twelve thousand, one hundred twenty-three".