1313001255 has 16 divisors (see below), whose sum is σ = 2121200640. Its totient is φ = 693467808.

The previous prime is 1313001241. The next prime is 1313001379. The reversal of 1313001255 is 5521003131.

It is not a de Polignac number, because 1313001255 - 2⁵ = 1313001223 is a prime.

It is a super-3 number, since 3×1313001255³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423375 + ... + 426464.

It is an arithmetic number, because the mean of its divisors is an integer number (132575040).

Almost surely, 2^1313001255 is an apocalyptic number.

1313001255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313001255 is a deficient number, since it is larger than the sum of its proper divisors (808199385).

1313001255 is a wasteful number, since it uses less digits than its factorization.

1313001255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849950.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1313001255 is about 36235.3591813301. The cubic root of 1313001255 is about 1095.0191485570.

Adding to 1313001255 its reverse (5521003131), we get a palindrome (6834004386).

The spelling of 1313001255 in words is "one billion, three hundred thirteen million, one thousand, two hundred fifty-five".