131123330313 has 4 divisors (see below), whose sum is σ = 174831107088. Its totient is φ = 87415553540.

The previous prime is 131123330281. The next prime is 131123330333. The reversal of 131123330313 is 313033321131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131123330313 - 2⁵ = 131123330281 is a prime.

It is a super-3 number, since 3×131123330313³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131123330333) 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, 21853888383 + ... + 21853888388.

It is an arithmetic number, because the mean of its divisors is an integer number (43707776772).

Almost surely, 2^131123330313 is an apocalyptic number.

It is an amenable number.

131123330313 is a deficient number, since it is larger than the sum of its proper divisors (43707776775).

131123330313 is an equidigital number, since it uses as much as digits as its factorization.

131123330313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43707776774.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 131123330313 its reverse (313033321131), we get a palindrome (444156651444).

The spelling of 131123330313 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred thirty thousand, three hundred thirteen".