131321106611 has 8 divisors (see below), whose sum is σ = 131969274624. Its totient is φ = 130674066760.

The previous prime is 131321106607. The next prime is 131321106617. The reversal of 131321106611 is 116601123131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131321106611 - 2² = 131321106607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131321106617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48185 + ... + 514746.

It is an arithmetic number, because the mean of its divisors is an integer number (16496159328).

Almost surely, 2^131321106611 is an apocalyptic number.

131321106611 is a deficient number, since it is larger than the sum of its proper divisors (648168013).

131321106611 is an equidigital number, since it uses as much as digits as its factorization.

131321106611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564081.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 131321106611 its reverse (116601123131), we get a palindrome (247922229742).

The spelling of 131321106611 in words is "one hundred thirty-one billion, three hundred twenty-one million, one hundred six thousand, six hundred eleven".