2135312331223 has 16 divisors (see below), whose sum is σ = 2262424500000. Its totient is φ = 2008367972352.

The previous prime is 2135312331209. The next prime is 2135312331227. The reversal of 2135312331223 is 3221332135312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135312331223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135312331227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284742528 + ... + 284750026.

It is an arithmetic number, because the mean of its divisors is an integer number (141401531250).

Almost surely, 2^{2135312331223} is an apocalyptic number.

2135312331223 is a deficient number, since it is larger than the sum of its proper divisors (127112168777).

2135312331223 is a wasteful number, since it uses less digits than its factorization.

2135312331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16434.

The product of its digits is 19440, while the sum is 31.

Adding to 2135312331223 its reverse (3221332135312), we get a palindrome (5356644466535).

The spelling of 2135312331223 in words is "two trillion, one hundred thirty-five billion, three hundred twelve million, three hundred thirty-one thousand, two hundred twenty-three".