67280131 has 2 divisors, whose sum is σ = 67280132. Its totient is φ = 67280130.

The previous prime is 67280123. The next prime is 67280149. The reversal of 67280131 is 13108276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67280131 - 2³ = 67280123 is a prime.

It is a super-2 number, since 2×67280131² = 9053232054754322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67280131.

It is not a weakly prime, because it can be changed into another prime (67280531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33640065 + 33640066.

It is an arithmetic number, because the mean of its divisors is an integer number (33640066).

Almost surely, 2^67280131 is an apocalyptic number.

67280131 is a deficient number, since it is larger than the sum of its proper divisors (1).

67280131 is an equidigital number, since it uses as much as digits as its factorization.

67280131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 67280131 is about 8202.4466471901. The cubic root of 67280131 is about 406.7200754751.

The spelling of 67280131 in words is "sixty-seven million, two hundred eighty thousand, one hundred thirty-one".