1316233501513 has 32 divisors (see below), whose sum is σ = 1606214320128. Its totient is φ = 1052870918400.

The previous prime is 1316233501483. The next prime is 1316233501523. The reversal of 1316233501513 is 3151053326131.

It is a happy number.

It is not a de Polignac number, because 1316233501513 - 2⁵ = 1316233501481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316233501523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27345598 + ... + 27393688.

It is an arithmetic number, because the mean of its divisors is an integer number (50194197504).

Almost surely, 2^{1316233501513} is an apocalyptic number.

It is an amenable number.

1316233501513 is a deficient number, since it is larger than the sum of its proper divisors (289980818615).

1316233501513 is a wasteful number, since it uses less digits than its factorization.

1316233501513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50053.

The product of its (nonzero) digits is 24300, while the sum is 34.

Adding to 1316233501513 its reverse (3151053326131), we get a palindrome (4467286827644).

The spelling of 1316233501513 in words is "one trillion, three hundred sixteen billion, two hundred thirty-three million, five hundred one thousand, five hundred thirteen".