121310333313 has 16 divisors (see below), whose sum is σ = 174211598400. Its totient is φ = 74642912064.

The previous prime is 121310333311. The next prime is 121310333327. The reversal of 121310333313 is 313333013121.

It is not a de Polignac number, because 121310333313 - 2¹ = 121310333311 is a prime.

It is a super-2 number, since 2×121310333313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121310333311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113338 + ... + 505436.

It is an arithmetic number, because the mean of its divisors is an integer number (10888224900).

Almost surely, 2^121310333313 is an apocalyptic number.

121310333313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121310333313 is a deficient number, since it is larger than the sum of its proper divisors (52901265087).

121310333313 is a wasteful number, since it uses less digits than its factorization.

121310333313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400048.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 121310333313 its reverse (313333013121), we get a palindrome (434643346434).

The spelling of 121310333313 in words is "one hundred twenty-one billion, three hundred ten million, three hundred thirty-three thousand, three hundred thirteen".