131213002001313 has 4 divisors (see below), whose sum is σ = 174950669335088. Its totient is φ = 87475334667540.

The previous prime is 131213002001311. The next prime is 131213002001423. The reversal of 131213002001313 is 313100200312131.

It is a happy number.

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 not a de Polignac number, because 131213002001313 - 2¹ = 131213002001311 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 131213002001313.

It is not an unprimeable number, because it can be changed into a prime (131213002001311) 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, 21868833666883 + ... + 21868833666888.

It is an arithmetic number, because the mean of its divisors is an integer number (43737667333772).

Almost surely, 2^{131213002001313} is an apocalyptic number.

It is an amenable number.

131213002001313 is a deficient number, since it is larger than the sum of its proper divisors (43737667333775).

131213002001313 is an equidigital number, since it uses as much as digits as its factorization.

131213002001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43737667333774.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131213002001313 its reverse (313100200312131), we get a palindrome (444313202313444).

The spelling of 131213002001313 in words is "one hundred thirty-one trillion, two hundred thirteen billion, two million, one thousand, three hundred thirteen".