1313223001 has 4 divisors (see below), whose sum is σ = 1313741952. Its totient is φ = 1312704052.

The previous prime is 1313222959. The next prime is 1313223007. The reversal of 1313223001 is 1003223131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313223001 - 2¹⁹ = 1312698713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313223007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255661 + ... + 260746.

It is an arithmetic number, because the mean of its divisors is an integer number (328435488).

Almost surely, 2^1313223001 is an apocalyptic number.

It is an amenable number.

1313223001 is a deficient number, since it is larger than the sum of its proper divisors (518951).

1313223001 is an equidigital number, since it uses as much as digits as its factorization.

1313223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518950.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313223001 is about 36238.4188534765. The cubic root of 1313223001 is about 1095.0807891297.

Adding to 1313223001 its reverse (1003223131), we get a palindrome (2316446132).

The spelling of 1313223001 in words is "one billion, three hundred thirteen million, two hundred twenty-three thousand, one".