2131021030134 has 64 divisors (see below), whose sum is σ = 4510836633600. Its totient is φ = 669288741408.

The previous prime is 2131021030133. The next prime is 2131021030139. The reversal of 2131021030134 is 4310301201312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131021030134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131021030133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24981447 + ... + 25066605.

It is an arithmetic number, because the mean of its divisors is an integer number (70481822400).

Almost surely, 2^{2131021030134} is an apocalyptic number.

2131021030134 is an abundant number, since it is smaller than the sum of its proper divisors (2379815603466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131021030134 is a wasteful number, since it uses less digits than its factorization.

2131021030134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86377.

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

Adding to 2131021030134 its reverse (4310301201312), we get a palindrome (6441322231446).

The spelling of 2131021030134 in words is "two trillion, one hundred thirty-one billion, twenty-one million, thirty thousand, one hundred thirty-four".