131001060617 has 6 divisors (see below), whose sum is σ = 152388988938. Its totient is φ = 112286623344.

The previous prime is 131001060587. The next prime is 131001060629. The reversal of 131001060617 is 716060100131.

It can be written as a sum of positive squares in only one way, i.e., 92111643001 + 38889417616 = 303499^2 + 197204^2 .

It is not a de Polignac number, because 131001060617 - 2⁸ = 131001060361 is a prime.

It is a super-2 number, since 2×131001060617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001060317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1336745468 + ... + 1336745565.

It is an arithmetic number, because the mean of its divisors is an integer number (25398164823).

Almost surely, 2^131001060617 is an apocalyptic number.

It is an amenable number.

131001060617 is a deficient number, since it is larger than the sum of its proper divisors (21387928321).

131001060617 is an equidigital number, since it uses as much as digits as its factorization.

131001060617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673491047 (or 2673491040 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 131001060617 its reverse (716060100131), we get a palindrome (847061160748).

The spelling of 131001060617 in words is "one hundred thirty-one billion, one million, sixty thousand, six hundred seventeen".