1351220530143 has 8 divisors (see below), whose sum is σ = 1965411680256. Its totient is φ = 818921533400.

The previous prime is 1351220530129. The next prime is 1351220530159. The reversal of 1351220530143 is 3410350221531.

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

It is a cyclic number.

It is not a de Polignac number, because 1351220530143 - 2⁵ = 1351220530111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1351220530143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351220530103) 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, 20473038303 + ... + 20473038368.

It is an arithmetic number, because the mean of its divisors is an integer number (245676460032).

Almost surely, 2^{1351220530143} is an apocalyptic number.

1351220530143 is a deficient number, since it is larger than the sum of its proper divisors (614191150113).

1351220530143 is a wasteful number, since it uses less digits than its factorization.

1351220530143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40946076685.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1351220530143 its reverse (3410350221531), we get a palindrome (4761570751674).

The spelling of 1351220530143 in words is "one trillion, three hundred fifty-one billion, two hundred twenty million, five hundred thirty thousand, one hundred forty-three".