2312111021213 has 8 divisors (see below), whose sum is σ = 2642437026240. Its totient is φ = 1981791123840.

The previous prime is 2312111021179. The next prime is 2312111021239. The reversal of 2312111021213 is 3121201112132.

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 2312111021213 - 2⁸ = 2312111020957 is a prime.

It is a super-3 number, since 3×2312111021213³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312111021263) 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, 684743 + ... + 2256788.

It is an arithmetic number, because the mean of its divisors is an integer number (330304628280).

Almost surely, 2^{2312111021213} is an apocalyptic number.

It is an amenable number.

2312111021213 is a deficient number, since it is larger than the sum of its proper divisors (330326005027).

2312111021213 is a wasteful number, since it uses less digits than its factorization.

2312111021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053827.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2312111021213 its reverse (3121201112132), we get a palindrome (5433312133345).

The spelling of 2312111021213 in words is "two trillion, three hundred twelve billion, one hundred eleven million, twenty-one thousand, two hundred thirteen".