12311121203313 has 8 divisors (see below), whose sum is σ = 16422761980800. Its totient is φ = 8203447280688.

The previous prime is 12311121203273. The next prime is 12311121203321. The reversal of 12311121203313 is 31330212111321.

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

It is not a de Polignac number, because 12311121203313 - 2¹² = 12311121199217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12311121203413) 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, 991706473 + ... + 991718886.

It is an arithmetic number, because the mean of its divisors is an integer number (2052845247600).

Almost surely, 2^{12311121203313} is an apocalyptic number.

It is an amenable number.

12311121203313 is a deficient number, since it is larger than the sum of its proper divisors (4111640777487).

12311121203313 is a wasteful number, since it uses less digits than its factorization.

12311121203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983427431.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12311121203313 its reverse (31330212111321), we get a palindrome (43641333314634).

The spelling of 12311121203313 in words is "twelve trillion, three hundred eleven billion, one hundred twenty-one million, two hundred three thousand, three hundred thirteen".