1321414134243 has 32 divisors (see below), whose sum is σ = 2021504501760. Its totient is φ = 752125409280.

The previous prime is 1321414134239. The next prime is 1321414134253. The reversal of 1321414134243 is 3424314141231.

It is a happy number.

It is not a de Polignac number, because 1321414134243 - 2² = 1321414134239 is a prime.

It is a super-2 number, since 2×1321414134243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321414134253) 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, 16287603 + ... + 16368531.

It is an arithmetic number, because the mean of its divisors is an integer number (63172015680).

Almost surely, 2^{1321414134243} is an apocalyptic number.

1321414134243 is a deficient number, since it is larger than the sum of its proper divisors (700090367517).

1321414134243 is a wasteful number, since it uses less digits than its factorization.

1321414134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83987.

The product of its digits is 27648, while the sum is 33.

Adding to 1321414134243 its reverse (3424314141231), we get a palindrome (4745728275474).

The spelling of 1321414134243 in words is "one trillion, three hundred twenty-one billion, four hundred fourteen million, one hundred thirty-four thousand, two hundred forty-three".