131001301001 has 4 divisors (see below), whose sum is σ = 131002265472. Its totient is φ = 131000336532.

The previous prime is 131001300967. The next prime is 131001301009. The reversal of 131001301001 is 100103100131.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131001301001 is a prime.

It is a super-4 number, since 4×131001301001⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001301009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236885 + ... + 564018.

It is an arithmetic number, because the mean of its divisors is an integer number (32750566368).

Almost surely, 2^131001301001 is an apocalyptic number.

It is an amenable number.

131001301001 is a deficient number, since it is larger than the sum of its proper divisors (964471).

131001301001 is an equidigital number, since it uses as much as digits as its factorization.

131001301001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964470.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 131001301001 its reverse (100103100131), we get a palindrome (231104401132).

The spelling of 131001301001 in words is "one hundred thirty-one billion, one million, three hundred one thousand, one".