2122103131 has 4 divisors (see below), whose sum is σ = 2137370200. Its totient is φ = 2106836064.

The previous prime is 2122103117. The next prime is 2122103153. The reversal of 2122103131 is 1313012212.

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 2122103131 - 2⁵ = 2122103099 is a prime.

It is a super-2 number, since 2×2122103131² = 9006643397200006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122133131) 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, 7633326 + ... + 7633603.

It is an arithmetic number, because the mean of its divisors is an integer number (534342550).

Almost surely, 2^2122103131 is an apocalyptic number.

2122103131 is a deficient number, since it is larger than the sum of its proper divisors (15267069).

2122103131 is a wasteful number, since it uses less digits than its factorization.

2122103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15267068.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2122103131 is about 46066.2906147217. The cubic root of 2122103131 is about 1285.0563205644.

Adding to 2122103131 its reverse (1313012212), we get a palindrome (3435115343).

The spelling of 2122103131 in words is "two billion, one hundred twenty-two million, one hundred three thousand, one hundred thirty-one".