131030233313 has 4 divisors (see below), whose sum is σ = 149748838080. Its totient is φ = 112311628548.

The previous prime is 131030233307. The next prime is 131030233339. The reversal of 131030233313 is 313332030131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313332030131 = 482827 ⋅648953.

It is not a de Polignac number, because 131030233313 - 2⁴ = 131030233297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131030233363) 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, 9359302373 + ... + 9359302386.

It is an arithmetic number, because the mean of its divisors is an integer number (37437209520).

Almost surely, 2^131030233313 is an apocalyptic number.

It is an amenable number.

131030233313 is a deficient number, since it is larger than the sum of its proper divisors (18718604767).

131030233313 is an equidigital number, since it uses as much as digits as its factorization.

131030233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18718604766.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 131030233313 its reverse (313332030131), we get a palindrome (444362263444).

The spelling of 131030233313 in words is "one hundred thirty-one billion, thirty million, two hundred thirty-three thousand, three hundred thirteen".