1313033123001 has 4 divisors (see below), whose sum is σ = 1750710830672. Its totient is φ = 875355415332.

The previous prime is 1313033122991. The next prime is 1313033123009. The reversal of 1313033123001 is 1003213303131.

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 not a de Polignac number, because 1313033123001 - 2¹⁸ = 1313032860857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313033123009) 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, 218838853831 + ... + 218838853836.

It is an arithmetic number, because the mean of its divisors is an integer number (437677707668).

Almost surely, 2^{1313033123001} is an apocalyptic number.

It is an amenable number.

1313033123001 is a deficient number, since it is larger than the sum of its proper divisors (437677707671).

1313033123001 is an equidigital number, since it uses as much as digits as its factorization.

1313033123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437677707670.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1313033123001 its reverse (1003213303131), we get a palindrome (2316246426132).

The spelling of 1313033123001 in words is "one trillion, three hundred thirteen billion, thirty-three million, one hundred twenty-three thousand, one".