2131032013123 has 16 divisors (see below), whose sum is σ = 2339433381600. Its totient is φ = 1929021629184.

The previous prime is 2131032013091. The next prime is 2131032013183. The reversal of 2131032013123 is 3213102301312.

It is not a de Polignac number, because 2131032013123 - 2⁵ = 2131032013091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131032013094 and 2131032013103.

It is not an unprimeable number, because it can be changed into a prime (2131032013183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597228 + ... + 2149126.

It is an arithmetic number, because the mean of its divisors is an integer number (146214586350).

Almost surely, 2^{2131032013123} is an apocalyptic number.

2131032013123 is a deficient number, since it is larger than the sum of its proper divisors (208401368477).

2131032013123 is a wasteful number, since it uses less digits than its factorization.

2131032013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553958.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2131032013123 its reverse (3213102301312), we get a palindrome (5344134314435).

The spelling of 2131032013123 in words is "two trillion, one hundred thirty-one billion, thirty-two million, thirteen thousand, one hundred twenty-three".