1301321331043 has 8 divisors (see below), whose sum is σ = 1343314457600. Its totient is φ = 1259329143240.

The previous prime is 1301321331017. The next prime is 1301321331059. The reversal of 1301321331043 is 3401331231031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301321331043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301321330999 and 1301321331017.

It is not an unprimeable number, because it can be changed into a prime (1301321331083) 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, 3553108 + ... + 3902206.

It is an arithmetic number, because the mean of its divisors is an integer number (167914307200).

Almost surely, 2^{1301321331043} is an apocalyptic number.

1301321331043 is a deficient number, since it is larger than the sum of its proper divisors (41993126557).

1301321331043 is a wasteful number, since it uses less digits than its factorization.

1301321331043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469377.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1301321331043 its reverse (3401331231031), we get a palindrome (4702652562074).

The spelling of 1301321331043 in words is "one trillion, three hundred one billion, three hundred twenty-one million, three hundred thirty-one thousand, forty-three".