242031379 has 2 divisors, whose sum is σ = 242031380. Its totient is φ = 242031378.

The previous prime is 242031371. The next prime is 242031389. The reversal of 242031379 is 973130242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242031379 - 2³ = 242031371 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242031379.

It is not a weakly prime, because it can be changed into another prime (242031371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121015689 + 121015690.

It is an arithmetic number, because the mean of its divisors is an integer number (121015690).

Almost surely, 2^242031379 is an apocalyptic number.

242031379 is a deficient number, since it is larger than the sum of its proper divisors (1).

242031379 is an equidigital number, since it uses as much as digits as its factorization.

242031379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 242031379 is about 15557.3577126709. The cubic root of 242031379 is about 623.1949016912.

The spelling of 242031379 in words is "two hundred forty-two million, thirty-one thousand, three hundred seventy-nine".