2131520102130 has 16 divisors (see below), whose sum is σ = 5115648245184. Its totient is φ = 568405360560.

The previous prime is 2131520102113. The next prime is 2131520102143. The reversal of 2131520102130 is 312010251312.

It is a junction number, because it is equal to n+sod(n) for n = 2131520102097 and 2131520102106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35525335006 + ... + 35525335065.

It is an arithmetic number, because the mean of its divisors is an integer number (319728015324).

Almost surely, 2^{2131520102130} is an apocalyptic number.

2131520102130 is an abundant number, since it is smaller than the sum of its proper divisors (2984128143054).

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

2131520102130 is a wasteful number, since it uses less digits than its factorization.

2131520102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71050670081.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 2131520102130 its reverse (312010251312), we get a palindrome (2443530353442).

The spelling of 2131520102130 in words is "two trillion, one hundred thirty-one billion, five hundred twenty million, one hundred two thousand, one hundred thirty".