1313033332021 has 8 divisors (see below), whose sum is σ = 1358342287200. Its totient is φ = 1267726506480.

The previous prime is 1313033332019. The next prime is 1313033332049. The reversal of 1313033332021 is 1202333303131.

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

It is not a de Polignac number, because 1313033332021 - 2¹ = 1313033332019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313033332081) 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, 776550 + ... + 1796968.

It is an arithmetic number, because the mean of its divisors is an integer number (169792785900).

Almost surely, 2^{1313033332021} is an apocalyptic number.

It is an amenable number.

1313033332021 is a deficient number, since it is larger than the sum of its proper divisors (45308955179).

1313033332021 is a wasteful number, since it uses less digits than its factorization.

1313033332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064819.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1313033332021 its reverse (1202333303131), we get a palindrome (2515366635152).

The spelling of 1313033332021 in words is "one trillion, three hundred thirteen billion, thirty-three million, three hundred thirty-two thousand, twenty-one".