240031969 has 2 divisors, whose sum is σ = 240031970. Its totient is φ = 240031968.

The previous prime is 240031963. The next prime is 240031991. The reversal of 240031969 is 969130042.

240031969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200505600 + 39526369 = 14160^2 + 6287^2 .

It is a cyclic number.

It is not a de Polignac number, because 240031969 - 2⁹ = 240031457 is a prime.

It is a super-2 number, since 2×240031969² = 115230692284033922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240031963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120015984 + 120015985.

It is an arithmetic number, because the mean of its divisors is an integer number (120015985).

Almost surely, 2^240031969 is an apocalyptic number.

It is an amenable number.

240031969 is a deficient number, since it is larger than the sum of its proper divisors (1).

240031969 is an equidigital number, since it uses as much as digits as its factorization.

240031969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 240031969 is about 15492.9651455104. The cubic root of 240031969 is about 621.4740930535.

The spelling of 240031969 in words is "two hundred forty million, thirty-one thousand, nine hundred sixty-nine".