1313201455 has 4 divisors (see below), whose sum is σ = 1575841752. Its totient is φ = 1050561160.

The previous prime is 1313201419. The next prime is 1313201489. The reversal of 1313201455 is 5541023131.

It is a happy number.

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

It is not a de Polignac number, because 1313201455 - 2⁹ = 1313200943 is a prime.

It is a super-2 number, since 2×1313201455² = 3448996122828234050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 131320141 + ... + 131320150.

It is an arithmetic number, because the mean of its divisors is an integer number (393960438).

Almost surely, 2^1313201455 is an apocalyptic number.

1313201455 is a deficient number, since it is larger than the sum of its proper divisors (262640297).

1313201455 is an equidigital number, since it uses as much as digits as its factorization.

1313201455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262640296.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1313201455 is about 36238.1215710748. The cubic root of 1313201455 is about 1095.0748001139.

Adding to 1313201455 its reverse (5541023131), we get a palindrome (6854224586).

The spelling of 1313201455 in words is "one billion, three hundred thirteen million, two hundred one thousand, four hundred fifty-five".