240412131 has 20 divisors (see below), whose sum is σ = 359551984. Its totient is φ = 160088400.

The previous prime is 240412129. The next prime is 240412171. The reversal of 240412131 is 131214042.

240412131 is a `hidden beast` number, since 240 + 412 + 13 + 1 = 666.

It is not a de Polignac number, because 240412131 - 2¹ = 240412129 is a prime.

It is a super-2 number, since 2×240412131² = 115595985463922322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240412171) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 130386 + ... + 132216.

Almost surely, 2^240412131 is an apocalyptic number.

240412131 is a deficient number, since it is larger than the sum of its proper divisors (119139853).

240412131 is a wasteful number, since it uses less digits than its factorization.

240412131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464 (or 3455 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 240412131 is about 15505.2291501932. The cubic root of 240412131 is about 621.8020163367.

Adding to 240412131 its reverse (131214042), we get a palindrome (371626173).

It can be divided in two parts, 2404 and 12131, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 240412131 in words is "two hundred forty million, four hundred twelve thousand, one hundred thirty-one".