1213021032313 has 8 divisors (see below), whose sum is σ = 1288163930400. Its totient is φ = 1139008102848.

The previous prime is 1213021032259. The next prime is 1213021032329. The reversal of 1213021032313 is 3132301203121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213021032313 - 2³³ = 1204431097721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213021032343) 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, 282489943 + ... + 282494236.

It is an arithmetic number, because the mean of its divisors is an integer number (161020491300).

Almost surely, 2^{1213021032313} is an apocalyptic number.

It is an amenable number.

1213021032313 is a deficient number, since it is larger than the sum of its proper divisors (75142898087).

1213021032313 is a wasteful number, since it uses less digits than its factorization.

1213021032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564984311.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213021032313 its reverse (3132301203121), we get a palindrome (4345322235434).

The spelling of 1213021032313 in words is "one trillion, two hundred thirteen billion, twenty-one million, thirty-two thousand, three hundred thirteen".