131303300123 has 4 divisors (see below), whose sum is σ = 131340701328. Its totient is φ = 131265898920.

The previous prime is 131303300111. The next prime is 131303300143. The reversal of 131303300123 is 321003303131.

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 131303300123 - 2²⁴ = 131286522907 is a prime.

It is a super-2 number, since 2×131303300123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131303300095 and 131303300104.

It is not an unprimeable number, because it can be changed into a prime (131303300143) 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, 18695336 + ... + 18702357.

It is an arithmetic number, because the mean of its divisors is an integer number (32835175332).

Almost surely, 2^131303300123 is an apocalyptic number.

131303300123 is a deficient number, since it is larger than the sum of its proper divisors (37401205).

131303300123 is an equidigital number, since it uses as much as digits as its factorization.

131303300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37401204.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131303300123 its reverse (321003303131), we get a palindrome (452306603254).

The spelling of 131303300123 in words is "one hundred thirty-one billion, three hundred three million, three hundred thousand, one hundred twenty-three".