1351220353 has 32 divisors (see below), whose sum is σ = 1670929920. Its totient is φ = 1067489280.

The previous prime is 1351220341. The next prime is 1351220371. The reversal of 1351220353 is 3530221531.

It is a cyclic number.

It is not a de Polignac number, because 1351220353 - 2¹⁷ = 1351089281 is a prime.

It is a super-2 number, since 2×1351220353² = 3651592884722889218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351220303) 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 31 ways as a sum of consecutive naturals, for example, 648273 + ... + 650353.

It is an arithmetic number, because the mean of its divisors is an integer number (52216560).

Almost surely, 2^1351220353 is an apocalyptic number.

It is an amenable number.

1351220353 is a deficient number, since it is larger than the sum of its proper divisors (319709567).

1351220353 is a wasteful number, since it uses less digits than its factorization.

1351220353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1351220353 is about 36758.9492912950. The cubic root of 1351220353 is about 1105.5423729168.

Adding to 1351220353 its reverse (3530221531), we get a palindrome (4881441884).

The spelling of 1351220353 in words is "one billion, three hundred fifty-one million, two hundred twenty thousand, three hundred fifty-three".