1312301768 has 8 divisors (see below), whose sum is σ = 2460565830. Its totient is φ = 656150880.

The previous prime is 1312301761. The next prime is 1312301797. The reversal of 1312301768 is 8671032131.

It can be written as a sum of positive squares in only one way, i.e., 683195044 + 629106724 = 26138^2 + 25082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1312301761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82018853 + ... + 82018868.

Almost surely, 2^1312301768 is an apocalyptic number.

It is an amenable number.

1312301768 is a deficient number, since it is larger than the sum of its proper divisors (1148264062).

1312301768 is a wasteful number, since it uses less digits than its factorization.

1312301768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164037727 (or 164037723 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1312301768 is about 36225.7059006446. The cubic root of 1312301768 is about 1094.8246608736.

Adding to 1312301768 its reverse (8671032131), we get a palindrome (9983333899).

The spelling of 1312301768 in words is "one billion, three hundred twelve million, three hundred one thousand, seven hundred sixty-eight".