2131301223 has 12 divisors (see below), whose sum is σ = 3078946728. Its totient is φ = 1420682640.

The previous prime is 2131301213. The next prime is 2131301239. The reversal of 2131301223 is 3221031312.

It is not a de Polignac number, because 2131301223 - 2⁸ = 2131300967 is a prime.

It is a super-2 number, since 2×2131301223² = 9084889806322591458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131301196 and 2131301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131301213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124408 + ... + 140498.

It is an arithmetic number, because the mean of its divisors is an integer number (256578894).

Almost surely, 2^2131301223 is an apocalyptic number.

2131301223 is a deficient number, since it is larger than the sum of its proper divisors (947645505).

2131301223 is a wasteful number, since it uses less digits than its factorization.

2131301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30814 (or 30811 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2131301223 is about 46166.0180544088. The cubic root of 2131301223 is about 1286.9103035892.

Adding to 2131301223 its reverse (3221031312), we get a palindrome (5352332535).

The spelling of 2131301223 in words is "two billion, one hundred thirty-one million, three hundred one thousand, two hundred twenty-three".