2067720131 has 2 divisors, whose sum is σ = 2067720132. Its totient is φ = 2067720130.

The previous prime is 2067720121. The next prime is 2067720139. The reversal of 2067720131 is 1310277602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2067720131 - 2¹⁰ = 2067719107 is a prime.

It is a super-2 number, since 2×2067720131² = 8550933080285314322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2067720094 and 2067720103.

It is not a weakly prime, because it can be changed into another prime (2067720139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033860065 + 1033860066.

It is an arithmetic number, because the mean of its divisors is an integer number (1033860066).

Almost surely, 2^2067720131 is an apocalyptic number.

2067720131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2067720131 is an equidigital number, since it uses as much as digits as its factorization.

2067720131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2067720131 is about 45472.1907433543. The cubic root of 2067720131 is about 1273.9838385062.

Adding to 2067720131 its reverse (1310277602), we get a palindrome (3377997733).

The spelling of 2067720131 in words is "two billion, sixty-seven million, seven hundred twenty thousand, one hundred thirty-one".