2011213102331 has 8 divisors (see below), whose sum is σ = 2022310909440. Its totient is φ = 2000145826728.

The previous prime is 2011213102193. The next prime is 2011213102447. The reversal of 2011213102331 is 1332013121102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011213102331 is a prime.

It is a super-2 number, since 2×2011213102331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011213102531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7500761 + ... + 7764266.

It is an arithmetic number, because the mean of its divisors is an integer number (252788863680).

Almost surely, 2^{2011213102331} is an apocalyptic number.

2011213102331 is a deficient number, since it is larger than the sum of its proper divisors (11097807109).

2011213102331 is a wasteful number, since it uses less digits than its factorization.

2011213102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15265753.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2011213102331 its reverse (1332013121102), we get a palindrome (3343226223433).

The spelling of 2011213102331 in words is "two trillion, eleven billion, two hundred thirteen million, one hundred two thousand, three hundred thirty-one".