131333321001 has 4 divisors (see below), whose sum is σ = 175111094672. Its totient is φ = 87555547332.

The previous prime is 131333320991. The next prime is 131333321023. The reversal of 131333321001 is 100123333131.

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 131333321001 - 2³⁴ = 114153451817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131333321051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21888886831 + ... + 21888886836.

It is an arithmetic number, because the mean of its divisors is an integer number (43777773668).

Almost surely, 2^131333321001 is an apocalyptic number.

It is an amenable number.

131333321001 is a deficient number, since it is larger than the sum of its proper divisors (43777773671).

131333321001 is an equidigital number, since it uses as much as digits as its factorization.

131333321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43777773670.

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

Adding to 131333321001 its reverse (100123333131), we get a palindrome (231456654132).

The spelling of 131333321001 in words is "one hundred thirty-one billion, three hundred thirty-three million, three hundred twenty-one thousand, one".