2321131012011 has 48 divisors (see below), whose sum is σ = 4004239709184. Its totient is φ = 1267950765312.

The previous prime is 2321131012007. The next prime is 2321131012021. The reversal of 2321131012011 is 1102101311232.

2321131012011 is a `hidden beast` number, since 2 + 321 + 1 + 310 + 1 + 20 + 11 = 666.

It is not a de Polignac number, because 2321131012011 - 2² = 2321131012007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321131012021) 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 47 ways as a sum of consecutive naturals, for example, 8987806 + ... + 9242451.

It is an arithmetic number, because the mean of its divisors is an integer number (83421660608).

Almost surely, 2^{2321131012011} is an apocalyptic number.

2321131012011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2321131012011 is a deficient number, since it is larger than the sum of its proper divisors (1683108697173).

2321131012011 is a wasteful number, since it uses less digits than its factorization.

2321131012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230360 (or 18230357 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2321131012011 its reverse (1102101311232), we get a palindrome (3423232323243).

The spelling of 2321131012011 in words is "two trillion, three hundred twenty-one billion, one hundred thirty-one million, twelve thousand, eleven".