2131023212103 has 8 divisors (see below), whose sum is σ = 2841498895216. Its totient is φ = 1420614835200.

The previous prime is 2131023212063. The next prime is 2131023212107. The reversal of 2131023212103 is 3012123201312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131023212103 - 2²¹ = 2131021114951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131023212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131023212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16752628 + ... + 16879353.

It is an arithmetic number, because the mean of its divisors is an integer number (355187361902).

Almost surely, 2^{2131023212103} is an apocalyptic number.

2131023212103 is a deficient number, since it is larger than the sum of its proper divisors (710475683113).

2131023212103 is a wasteful number, since it uses less digits than its factorization.

2131023212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33653105.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131023212103 its reverse (3012123201312), we get a palindrome (5143146413415).

The spelling of 2131023212103 in words is "two trillion, one hundred thirty-one billion, twenty-three million, two hundred twelve thousand, one hundred three".