1313001233 has 4 divisors (see below), whose sum is σ = 1317846528. Its totient is φ = 1308155940.

The previous prime is 1313001227. The next prime is 1313001241. The reversal of 1313001233 is 3321003131.

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 1313001233 - 2¹² = 1312997137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313001223) 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, 2422241 + ... + 2422782.

It is an arithmetic number, because the mean of its divisors is an integer number (329461632).

Almost surely, 2^1313001233 is an apocalyptic number.

It is an amenable number.

1313001233 is a deficient number, since it is larger than the sum of its proper divisors (4845295).

1313001233 is an equidigital number, since it uses as much as digits as its factorization.

1313001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845294.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1313001233 is about 36235.3588777592. The cubic root of 1313001233 is about 1095.0191424411.

Adding to 1313001233 its reverse (3321003131), we get a palindrome (4634004364).

The spelling of 1313001233 in words is "one billion, three hundred thirteen million, one thousand, two hundred thirty-three".