1316103121636 has 24 divisors (see below), whose sum is σ = 2329142823000. Its totient is φ = 650634276864.

The previous prime is 1316103121633. The next prime is 1316103121639. The reversal of 1316103121636 is 6361213016131.

It is an interprime number because it is at equal distance from previous prime (1316103121633) and next prime (1316103121639).

It can be written as a sum of positive squares in 4 ways, for example, as 358973532736 + 957129588900 = 599144^2 + 978330^2 .

It is a super-2 number, since 2×1316103121636² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316103121633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13982700 + ... + 14076508.

It is an arithmetic number, because the mean of its divisors is an integer number (97047617625).

Almost surely, 2^{1316103121636} is an apocalyptic number.

It is an amenable number.

1316103121636 is a deficient number, since it is larger than the sum of its proper divisors (1013039701364).

1316103121636 is a wasteful number, since it uses less digits than its factorization.

1316103121636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133311 (or 133309 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

Adding to 1316103121636 its reverse (6361213016131), we get a palindrome (7677316137767).

The spelling of 1316103121636 in words is "one trillion, three hundred sixteen billion, one hundred three million, one hundred twenty-one thousand, six hundred thirty-six".