3131123002223 has 4 divisors (see below), whose sum is σ = 3131496252120. Its totient is φ = 3130749752328.

The previous prime is 3131123002211. The next prime is 3131123002331. The reversal of 3131123002223 is 3222003211313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3131123002223 - 2⁴ = 3131123002207 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 (3131123004223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186612365 + ... + 186629142.

It is an arithmetic number, because the mean of its divisors is an integer number (782874063030).

Almost surely, 2^{3131123002223} is an apocalyptic number.

3131123002223 is a deficient number, since it is larger than the sum of its proper divisors (373249897).

3131123002223 is an equidigital number, since it uses as much as digits as its factorization.

3131123002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373249896.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3131123002223 its reverse (3222003211313), we get a palindrome (6353126213536).

The spelling of 3131123002223 in words is "three trillion, one hundred thirty-one billion, one hundred twenty-three million, two thousand, two hundred twenty-three".