131000310133001 has 4 divisors (see below), whose sum is σ = 131002139894532. Its totient is φ = 130998480371472.

The previous prime is 131000310132977. The next prime is 131000310133009. The reversal of 131000310133001 is 100331013000131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77105609760400 + 53894700372601 = 8780980^2 + 7341301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131000310133001 is a prime.

It is a super-4 number, since 4×131000310133001⁴ (a number of 58 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 (131000310133009) 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, 914773370 + ... + 914916563.

It is an arithmetic number, because the mean of its divisors is an integer number (32750534973633).

Almost surely, 2^{131000310133001} is an apocalyptic number.

It is an amenable number.

131000310133001 is a deficient number, since it is larger than the sum of its proper divisors (1829761531).

131000310133001 is an equidigital number, since it uses as much as digits as its factorization.

131000310133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829761530.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 131000310133001 its reverse (100331013000131), we get a palindrome (231331323133132).

The spelling of 131000310133001 in words is "one hundred thirty-one trillion, three hundred ten million, one hundred thirty-three thousand, one".