1321413103244 has 24 divisors (see below), whose sum is σ = 2551095845088. Its totient is φ = 595007775360.

The previous prime is 1321413103201. The next prime is 1321413103313. The reversal of 1321413103244 is 4423013141231.

It is a super-2 number, since 2×1321413103244² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309897752 + ... + 309902015.

It is an arithmetic number, because the mean of its divisors is an integer number (106295660212).

Almost surely, 2^{1321413103244} is an apocalyptic number.

It is an amenable number.

1321413103244 is a deficient number, since it is larger than the sum of its proper divisors (1229682741844).

1321413103244 is a wasteful number, since it uses less digits than its factorization.

1321413103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619799825 (or 619799823 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1321413103244 its reverse (4423013141231), we get a palindrome (5744426244475).

The spelling of 1321413103244 in words is "one trillion, three hundred twenty-one billion, four hundred thirteen million, one hundred three thousand, two hundred forty-four".