2131033310123 has 2 divisors, whose sum is σ = 2131033310124. Its totient is φ = 2131033310122.

The previous prime is 2131033310111. The next prime is 2131033310243. The reversal of 2131033310123 is 3210133301312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131033310123 - 2¹⁰ = 2131033309099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131033310023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065516655061 + 1065516655062.

It is an arithmetic number, because the mean of its divisors is an integer number (1065516655062).

Almost surely, 2^{2131033310123} is an apocalyptic number.

2131033310123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131033310123 is an equidigital number, since it uses as much as digits as its factorization.

2131033310123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2131033310123 its reverse (3210133301312), we get a palindrome (5341166611435).

The spelling of 2131033310123 in words is "two trillion, one hundred thirty-one billion, thirty-three million, three hundred ten thousand, one hundred twenty-three".