131001333213 has 4 divisors (see below), whose sum is σ = 174668444288. Its totient is φ = 87334222140.

The previous prime is 131001333173. The next prime is 131001333241. The reversal of 131001333213 is 312333100131.

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 131001333213 - 2⁶ = 131001333149 is a prime.

It is a super-2 number, since 2×131001333213² (a number of 23 digits) contains 22 as substring.

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 131001333213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001333263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21833555533 + ... + 21833555538.

It is an arithmetic number, because the mean of its divisors is an integer number (43667111072).

Almost surely, 2^131001333213 is an apocalyptic number.

It is an amenable number.

131001333213 is a deficient number, since it is larger than the sum of its proper divisors (43667111075).

131001333213 is an equidigital number, since it uses as much as digits as its factorization.

131001333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43667111074.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131001333213 its reverse (312333100131), we get a palindrome (443334433344).

The spelling of 131001333213 in words is "one hundred thirty-one billion, one million, three hundred thirty-three thousand, two hundred thirteen".