240313381 has 16 divisors (see below), whose sum is σ = 302099328. Its totient is φ = 187249920.

The previous prime is 240313379. The next prime is 240313393. The reversal of 240313381 is 183313042.

It is not a de Polignac number, because 240313381 - 2¹ = 240313379 is a prime.

It is a super-2 number, since 2×240313381² = 115501042175302322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240313301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580 + ... + 22213.

It is an arithmetic number, because the mean of its divisors is an integer number (18881208).

Almost surely, 2^240313381 is an apocalyptic number.

It is an amenable number.

240313381 is a deficient number, since it is larger than the sum of its proper divisors (61785947).

240313381 is an equidigital number, since it uses as much as digits as its factorization.

240313381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25833 (or 25811 counting only the distinct ones).

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

The square root of 240313381 is about 15502.0444135604. The cubic root of 240313381 is about 621.7168689997.

The spelling of 240313381 in words is "two hundred forty million, three hundred thirteen thousand, three hundred eighty-one".