1213310313323 has 4 divisors (see below), whose sum is σ = 1213542442200. Its totient is φ = 1213078184448.

The previous prime is 1213310313287. The next prime is 1213310313331. The reversal of 1213310313323 is 3233130133121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1213310313323 - 2³⁰ = 1212236571499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213310313292 and 1213310313301.

It is not an unprimeable number, because it can be changed into a prime (1213310313373) 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, 116056598 + ... + 116067051.

It is an arithmetic number, because the mean of its divisors is an integer number (303385610550).

Almost surely, 2^{1213310313323} is an apocalyptic number.

1213310313323 is a deficient number, since it is larger than the sum of its proper divisors (232128877).

1213310313323 is an equidigital number, since it uses as much as digits as its factorization.

1213310313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232128876.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1213310313323 its reverse (3233130133121), we get a palindrome (4446440446444).

The spelling of 1213310313323 in words is "one trillion, two hundred thirteen billion, three hundred ten million, three hundred thirteen thousand, three hundred twenty-three".