240163331 has 2 divisors, whose sum is σ = 240163332. Its totient is φ = 240163330.

The previous prime is 240163247. The next prime is 240163351. The reversal of 240163331 is 133361042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240163331 is a prime.

It is a super-2 number, since 2×240163331² = 115356851114031122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 240163297 and 240163306.

It is not a weakly prime, because it can be changed into another prime (240163351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120081665 + 120081666.

It is an arithmetic number, because the mean of its divisors is an integer number (120081666).

Almost surely, 2^240163331 is an apocalyptic number.

240163331 is a deficient number, since it is larger than the sum of its proper divisors (1).

240163331 is an equidigital number, since it uses as much as digits as its factorization.

240163331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 240163331 is about 15497.2039736205. The cubic root of 240163331 is about 621.5874434987.

The spelling of 240163331 in words is "two hundred forty million, one hundred sixty-three thousand, three hundred thirty-one".