242606131 has 2 divisors, whose sum is σ = 242606132. Its totient is φ = 242606130.

The previous prime is 242606087. The next prime is 242606137. The reversal of 242606131 is 131606242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242606131 - 2²³ = 234217523 is a prime.

It is a super-2 number, since 2×242606131² = 117715469597578322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242606096 and 242606105.

It is not a weakly prime, because it can be changed into another prime (242606137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121303065 + 121303066.

It is an arithmetic number, because the mean of its divisors is an integer number (121303066).

Almost surely, 2^242606131 is an apocalyptic number.

242606131 is a deficient number, since it is larger than the sum of its proper divisors (1).

242606131 is an equidigital number, since it uses as much as digits as its factorization.

242606131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 242606131 is about 15575.8187906768. The cubic root of 242606131 is about 623.6878121087.

The spelling of 242606131 in words is "two hundred forty-two million, six hundred six thousand, one hundred thirty-one".