1313341402 has 4 divisors (see below), whose sum is σ = 1970012106. Its totient is φ = 656670700.

The previous prime is 1313341391. The next prime is 1313341451. The reversal of 1313341402 is 2041433131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2041433131 = 19 ⋅107443849.

It can be written as a sum of positive squares in only one way, i.e., 798006001 + 515335401 = 28249^2 + 22701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328335349 + ... + 328335352.

Almost surely, 2^1313341402 is an apocalyptic number.

1313341402 is a deficient number, since it is larger than the sum of its proper divisors (656670704).

1313341402 is an equidigital number, since it uses as much as digits as its factorization.

1313341402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656670703.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1313341402 is about 36240.0524558119. The cubic root of 1313341402 is about 1095.1136991949.

Adding to 1313341402 its reverse (2041433131), we get a palindrome (3354774533).

The spelling of 1313341402 in words is "one billion, three hundred thirteen million, three hundred forty-one thousand, four hundred two".