68286131 has 2 divisors, whose sum is σ = 68286132. Its totient is φ = 68286130.

The previous prime is 68286083. The next prime is 68286137. The reversal of 68286131 is 13168286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68286131 - 2⁶ = 68286067 is a prime.

It is a super-2 number, since 2×68286131² = 9325991373898322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68286091 and 68286100.

It is not a weakly prime, because it can be changed into another prime (68286137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34143065 + 34143066.

It is an arithmetic number, because the mean of its divisors is an integer number (34143066).

Almost surely, 2^68286131 is an apocalyptic number.

68286131 is a deficient number, since it is larger than the sum of its proper divisors (1).

68286131 is an equidigital number, since it uses as much as digits as its factorization.

68286131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 68286131 is about 8263.5422791924. The cubic root of 68286131 is about 408.7372032267.

The spelling of 68286131 in words is "sixty-eight million, two hundred eighty-six thousand, one hundred thirty-one".