131303312311 has 8 divisors (see below), whose sum is σ = 133786358640. Its totient is φ = 128820474432.

The previous prime is 131303312297. The next prime is 131303312321. The reversal of 131303312311 is 113213303131.

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 131303312311 - 2¹⁷ = 131303181239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303312321) 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, 1913451 + ... + 1980883.

It is an arithmetic number, because the mean of its divisors is an integer number (16723294830).

Almost surely, 2^131303312311 is an apocalyptic number.

131303312311 is a deficient number, since it is larger than the sum of its proper divisors (2483046329).

131303312311 is an equidigital number, since it uses as much as digits as its factorization.

131303312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104225.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131303312311 its reverse (113213303131), we get a palindrome (244516615442).

The spelling of 131303312311 in words is "one hundred thirty-one billion, three hundred three million, three hundred twelve thousand, three hundred eleven".