13121443321314 has 32 divisors (see below), whose sum is σ = 26405840617920. Its totient is φ = 4346659418112.

The previous prime is 13121443321297. The next prime is 13121443321331. The reversal of 13121443321314 is 41312334412131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13121443321297) and next prime (13121443321331).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12905902 + ... + 13885430.

It is an arithmetic number, because the mean of its divisors is an integer number (825182519310).

Almost surely, 2^{13121443321314} is an apocalyptic number.

13121443321314 is an abundant number, since it is smaller than the sum of its proper divisors (13284397296606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121443321314 is a wasteful number, since it uses less digits than its factorization.

13121443321314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993394.

The product of its digits is 20736, while the sum is 33.

Adding to 13121443321314 its reverse (41312334412131), we get a palindrome (54433777733445).

The spelling of 13121443321314 in words is "thirteen trillion, one hundred twenty-one billion, four hundred forty-three million, three hundred twenty-one thousand, three hundred fourteen".