2131023100223 has 16 divisors (see below), whose sum is σ = 2176867149600. Its totient is φ = 2085509099520.

The previous prime is 2131023100211. The next prime is 2131023100301. The reversal of 2131023100223 is 3220013201312.

It is a cyclic number.

It is not a de Polignac number, because 2131023100223 - 2²⁴ = 2131006323007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131023100195 and 2131023100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131023100823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45036365 + ... + 45083657.

It is an arithmetic number, because the mean of its divisors is an integer number (136054196850).

Almost surely, 2^{2131023100223} is an apocalyptic number.

2131023100223 is a deficient number, since it is larger than the sum of its proper divisors (45844049377).

2131023100223 is a wasteful number, since it uses less digits than its factorization.

2131023100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50762.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2131023100223 its reverse (3220013201312), we get a palindrome (5351036301535).

The spelling of 2131023100223 in words is "two trillion, one hundred thirty-one billion, twenty-three million, one hundred thousand, two hundred twenty-three".