1314131242 has 4 divisors (see below), whose sum is σ = 1971196866. Its totient is φ = 657065620.

The previous prime is 1314131209. The next prime is 1314131251. The reversal of 1314131242 is 2421314131.

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., 1234046641 + 80084601 = 35129^2 + 8949^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328532809 + ... + 328532812.

Almost surely, 2^1314131242 is an apocalyptic number.

1314131242 is a deficient number, since it is larger than the sum of its proper divisors (657065624).

1314131242 is an equidigital number, since it uses as much as digits as its factorization.

1314131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657065623.

The product of its digits is 576, while the sum is 22.

The square root of 1314131242 is about 36250.9481531173. The cubic root of 1314131242 is about 1095.3331880156. Note that the first 3 decimals are identical.

Adding to 1314131242 its reverse (2421314131), we get a palindrome (3735445373).

The spelling of 1314131242 in words is "one billion, three hundred fourteen million, one hundred thirty-one thousand, two hundred forty-two".