131431142314 has 4 divisors (see below), whose sum is σ = 197146713474. Its totient is φ = 65715571156.

The previous prime is 131431142309. The next prime is 131431142321. The reversal of 131431142314 is 413241134131.

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., 131418575289 + 12567025 = 362517^2 + 3545^2 .

It is an unprimeable number.

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, 32857785577 + ... + 32857785580.

Almost surely, 2^131431142314 is an apocalyptic number.

131431142314 is a deficient number, since it is larger than the sum of its proper divisors (65715571160).

131431142314 is an equidigital number, since it uses as much as digits as its factorization.

131431142314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65715571159.

The product of its digits is 3456, while the sum is 28.

Adding to 131431142314 its reverse (413241134131), we get a palindrome (544672276445).

The spelling of 131431142314 in words is "one hundred thirty-one billion, four hundred thirty-one million, one hundred forty-two thousand, three hundred fourteen".