1313204162 has 4 divisors (see below), whose sum is σ = 1969806246. Its totient is φ = 656602080.

The previous prime is 1313204149. The next prime is 1313204173. The reversal of 1313204162 is 2614023131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2614023131 = 12281 ⋅212851.

It can be written as a sum of positive squares in only one way, i.e., 973502401 + 339701761 = 31201^2 + 18431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328301039 + ... + 328301042.

Almost surely, 2^1313204162 is an apocalyptic number.

1313204162 is a deficient number, since it is larger than the sum of its proper divisors (656602084).

1313204162 is an equidigital number, since it uses as much as digits as its factorization.

1313204162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656602083.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1313204162 is about 36238.1589212256. The cubic root of 1313204162 is about 1095.0755525665.

Adding to 1313204162 its reverse (2614023131), we get a palindrome (3927227293).

The spelling of 1313204162 in words is "one billion, three hundred thirteen million, two hundred four thousand, one hundred sixty-two".