131376115306 has 4 divisors (see below), whose sum is σ = 197064172962. Its totient is φ = 65688057652.

The previous prime is 131376115237. The next prime is 131376115307. The reversal of 131376115306 is 603511673131.

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

It can be written as a sum of positive squares in only one way, i.e., 130736480625 + 639634681 = 361575^2 + 25291^2 .

It is not an unprimeable number, because it can be changed into a prime (131376115307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32844028825 + ... + 32844028828.

Almost surely, 2^131376115306 is an apocalyptic number.

131376115306 is a deficient number, since it is larger than the sum of its proper divisors (65688057656).

131376115306 is an equidigital number, since it uses as much as digits as its factorization.

131376115306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65688057655.

The product of its (nonzero) digits is 34020, while the sum is 37.

Adding to 131376115306 its reverse (603511673131), we get a palindrome (734887788437).

The spelling of 131376115306 in words is "one hundred thirty-one billion, three hundred seventy-six million, one hundred fifteen thousand, three hundred six".