1313053251 has 8 divisors (see below), whose sum is σ = 1751074320. Its totient is φ = 875200512.

The previous prime is 1313053237. The next prime is 1313053297. The reversal of 1313053251 is 1523503131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313053251 - 2¹⁹ = 1312528963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313053051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22590 + ... + 56003.

It is an arithmetic number, because the mean of its divisors is an integer number (218884290).

Almost surely, 2^1313053251 is an apocalyptic number.

1313053251 is a deficient number, since it is larger than the sum of its proper divisors (438021069).

1313053251 is an equidigital number, since it uses as much as digits as its factorization.

1313053251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84165.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1313053251 is about 36236.0766502115. The cubic root of 1313053251 is about 1095.0336029387.

Adding to 1313053251 its reverse (1523503131), we get a palindrome (2836556382).

The spelling of 1313053251 in words is "one billion, three hundred thirteen million, fifty-three thousand, two hundred fifty-one".