68280131 has 2 divisors, whose sum is σ = 68280132. Its totient is φ = 68280130.

The previous prime is 68280103. The next prime is 68280161. The reversal of 68280131 is 13108286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68280131 - 2⁶ = 68280067 is a prime.

It is a super-2 number, since 2×68280131² = 9324352578754322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68280094 and 68280103.

It is not a weakly prime, because it can be changed into another prime (68280101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34140065 + 34140066.

It is an arithmetic number, because the mean of its divisors is an integer number (34140066).

Almost surely, 2^68280131 is an apocalyptic number.

68280131 is a deficient number, since it is larger than the sum of its proper divisors (1).

68280131 is an equidigital number, since it uses as much as digits as its factorization.

68280131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 68280131 is about 8263.1792307804. The cubic root of 68280131 is about 408.7252315666.

The spelling of 68280131 in words is "sixty-eight million, two hundred eighty thousand, one hundred thirty-one".