2131031301129 has 20 divisors (see below), whose sum is σ = 3216210928084. Its totient is φ = 1406041265664.

The previous prime is 2131031301083. The next prime is 2131031301163. The reversal of 2131031301129 is 9211031301312.

2131031301129 is a `hidden beast` number, since 2 + 1 + 310 + 31 + 301 + 12 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 802371645504 + 1328659655625 = 895752^2 + 1152675^2 .

It is not a de Polignac number, because 2131031301129 - 2¹² = 2131031297033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131031300129) 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 19 ways as a sum of consecutive naturals, for example, 135605692 + ... + 135621405.

Almost surely, 2^{2131031301129} is an apocalyptic number.

It is an amenable number.

2131031301129 is a deficient number, since it is larger than the sum of its proper divisors (1085179626955).

2131031301129 is an equidigital number, since it uses as much as digits as its factorization.

2131031301129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271227206 (or 271227197 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 2131031301129 in words is "two trillion, one hundred thirty-one billion, thirty-one million, three hundred one thousand, one hundred twenty-nine".