240340131 has 12 divisors (see below), whose sum is σ = 347322040. Its totient is φ = 160151040.

The previous prime is 240340127. The next prime is 240340159. The reversal of 240340131 is 131043042.

240340131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240340131 - 2² = 240340127 is a prime.

It is a super-2 number, since 2×240340131² = 115526757138194322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240340171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19236 + ... + 29166.

Almost surely, 2^240340131 is an apocalyptic number.

240340131 is a deficient number, since it is larger than the sum of its proper divisors (106981909).

240340131 is a wasteful number, since it uses less digits than its factorization.

240340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626 (or 12623 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 240340131 is about 15502.9071789778. The cubic root of 240340131 is about 621.7399365308.

Adding to 240340131 its reverse (131043042), we get a palindrome (371383173).

It can be divided in two parts, 240340 and 131, that added together give a triangular number (240471 = T₆₉₃).

The spelling of 240340131 in words is "two hundred forty million, three hundred forty thousand, one hundred thirty-one".