1313353555 has 4 divisors (see below), whose sum is σ = 1576024272. Its totient is φ = 1050682840.

The previous prime is 1313353543. The next prime is 1313353577. The reversal of 1313353555 is 5553533131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5553533131 = 839 ⋅6619229.

It is not a de Polignac number, because 1313353555 - 2⁵ = 1313353523 is a prime.

It is a super-2 number, since 2×1313353555² = 3449795120862276050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313353555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131335351 + ... + 131335360.

It is an arithmetic number, because the mean of its divisors is an integer number (394006068).

Almost surely, 2^1313353555 is an apocalyptic number.

1313353555 is a deficient number, since it is larger than the sum of its proper divisors (262670717).

1313353555 is an equidigital number, since it uses as much as digits as its factorization.

1313353555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262670716.

The product of its digits is 50625, while the sum is 34.

The square root of 1313353555 is about 36240.2201290224. The cubic root of 1313353555 is about 1095.1170770614.

Adding to 1313353555 its reverse (5553533131), we get a palindrome (6866886686).

The spelling of 1313353555 in words is "one billion, three hundred thirteen million, three hundred fifty-three thousand, five hundred fifty-five".