2102331235311 has 24 divisors (see below), whose sum is σ = 3110666953680. Its totient is φ = 1367486055936.

The previous prime is 2102331235271. The next prime is 2102331235321. The reversal of 2102331235311 is 1135321332012.

2102331235311 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 3 + 3 + 123 + 531 + 1 = 666.

It is not a de Polignac number, because 2102331235311 - 2¹⁰ = 2102331234287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102331235321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2564256 + ... + 3283301.

It is an arithmetic number, because the mean of its divisors is an integer number (129611123070).

Almost surely, 2^{2102331235311} is an apocalyptic number.

2102331235311 is a deficient number, since it is larger than the sum of its proper divisors (1008335718369).

2102331235311 is a wasteful number, since it uses less digits than its factorization.

2102331235311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848535 (or 5848532 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 2102331235311 its reverse (1135321332012), we get a palindrome (3237652567323).

The spelling of 2102331235311 in words is "two trillion, one hundred two billion, three hundred thirty-one million, two hundred thirty-five thousand, three hundred eleven".