1313565242216 has 8 divisors (see below), whose sum is σ = 2462934829170. Its totient is φ = 656782621104.

The previous prime is 1313565242189. The next prime is 1313565242219. The reversal of 1313565242216 is 6122425653131.

It can be written as a sum of positive squares in only one way, i.e., 1304643684100 + 8921558116 = 1142210^2 + 94454^2 .

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 (1313565242219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82097827631 + ... + 82097827646.

Almost surely, 2^{1313565242216} is an apocalyptic number.

It is an amenable number.

1313565242216 is a deficient number, since it is larger than the sum of its proper divisors (1149369586954).

1313565242216 is a wasteful number, since it uses less digits than its factorization.

1313565242216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164195655283 (or 164195655279 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 1313565242216 in words is "one trillion, three hundred thirteen billion, five hundred sixty-five million, two hundred forty-two thousand, two hundred sixteen".