21160133131313 has 8 divisors (see below), whose sum is σ = 23408905283136. Its totient is φ = 18965548260400.

The previous prime is 21160133131283. The next prime is 21160133131349. The reversal of 21160133131313 is 31313133106112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21160133131313 - 2⁸ = 21160133131057 is a prime.

It is a super-2 number, since 2×21160133131313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21160133131913) 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, 13546819406 + ... + 13546820967.

It is an arithmetic number, because the mean of its divisors is an integer number (2926113160392).

Almost surely, 2^{21160133131313} is an apocalyptic number.

It is an amenable number.

21160133131313 is a deficient number, since it is larger than the sum of its proper divisors (2248772151823).

21160133131313 is a wasteful number, since it uses less digits than its factorization.

21160133131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27093640455.

The product of its (nonzero) digits is 2916, while the sum is 29.

Adding to 21160133131313 its reverse (31313133106112), we get a palindrome (52473266237425).

The spelling of 21160133131313 in words is "twenty-one trillion, one hundred sixty billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred thirteen".