2120130342131 has 4 divisors (see below), whose sum is σ = 2120195343672. Its totient is φ = 2120065340592.

The previous prime is 2120130342089. The next prime is 2120130342167. The reversal of 2120130342131 is 1312430310212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120130342131 is a prime.

It is a super-2 number, since 2×2120130342131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120130342097 and 2120130342106.

It is not an unprimeable number, because it can be changed into a prime (2120130347131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32451821 + ... + 32517086.

It is an arithmetic number, because the mean of its divisors is an integer number (530048835918).

Almost surely, 2^{2120130342131} is an apocalyptic number.

2120130342131 is a deficient number, since it is larger than the sum of its proper divisors (65001541).

2120130342131 is an equidigital number, since it uses as much as digits as its factorization.

2120130342131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65001540.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2120130342131 its reverse (1312430310212), we get a palindrome (3432560652343).

The spelling of 2120130342131 in words is "two trillion, one hundred twenty billion, one hundred thirty million, three hundred forty-two thousand, one hundred thirty-one".