2131101323 has 12 divisors (see below), whose sum is σ = 2309115960. Its totient is φ = 1965914496.

The previous prime is 2131101263. The next prime is 2131101359. The reversal of 2131101323 is 3231011312.

It is not a de Polignac number, because 2131101323 - 2⁸ = 2131101067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131101373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356840 + ... + 362762.

It is an arithmetic number, because the mean of its divisors is an integer number (192426330).

Almost surely, 2^2131101323 is an apocalyptic number.

2131101323 is a deficient number, since it is larger than the sum of its proper divisors (178014637).

2131101323 is a wasteful number, since it uses less digits than its factorization.

2131101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131101323 is about 46163.8529912745. The cubic root of 2131101323 is about 1286.8700681671.

Adding to 2131101323 its reverse (3231011312), we get a palindrome (5362112635).

The spelling of 2131101323 in words is "two billion, one hundred thirty-one million, one hundred one thousand, three hundred twenty-three".