153161821313 has 4 divisors (see below), whose sum is σ = 153162616068. Its totient is φ = 153161026560.

The previous prime is 153161821301. The next prime is 153161821333. The reversal of 153161821313 is 313128161351.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 313128161351 = 227 ⋅1379419213.

It can be written as a sum of positive squares in 2 ways, for example, as 28970422849 + 124191398464 = 170207^2 + 352408^2 .

It is a cyclic number.

It is not a de Polignac number, because 153161821313 - 2⁴ = 153161821297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153161821333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95345 + ... + 561617.

It is an arithmetic number, because the mean of its divisors is an integer number (38290654017).

Almost surely, 2^153161821313 is an apocalyptic number.

It is an amenable number.

153161821313 is a deficient number, since it is larger than the sum of its proper divisors (794755).

153161821313 is an equidigital number, since it uses as much as digits as its factorization.

153161821313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794754.

The product of its digits is 12960, while the sum is 35.

Adding to 153161821313 its reverse (313128161351), we get a palindrome (466289982664).

The spelling of 153161821313 in words is "one hundred fifty-three billion, one hundred sixty-one million, eight hundred twenty-one thousand, three hundred thirteen".