1351321351 has 4 divisors (see below), whose sum is σ = 1357381312. Its totient is φ = 1345261392.

The previous prime is 1351321343. The next prime is 1351321357. The reversal of 1351321351 is 1531231531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1351321351 - 2³ = 1351321343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351321357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029646 + ... + 3030091.

It is an arithmetic number, because the mean of its divisors is an integer number (339345328).

Almost surely, 2^1351321351 is an apocalyptic number.

1351321351 is a deficient number, since it is larger than the sum of its proper divisors (6059961).

1351321351 is an equidigital number, since it uses as much as digits as its factorization.

1351321351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059960.

The product of its digits is 1350, while the sum is 25.

The square root of 1351321351 is about 36760.3230535315. The cubic root of 1351321351 is about 1105.5699171010.

Adding to 1351321351 its reverse (1531231531), we get a palindrome (2882552882).

The spelling of 1351321351 in words is "one billion, three hundred fifty-one million, three hundred twenty-one thousand, three hundred fifty-one".