240235131 has 8 divisors (see below), whose sum is σ = 320390464. Its totient is φ = 160118280.

The previous prime is 240235091. The next prime is 240235139. The reversal of 240235131 is 131532042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240235131 - 2¹⁹ = 239710843 is a prime.

It is a super-2 number, since 2×240235131² = 115425836333174322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240235098 and 240235107.

It is not an unprimeable number, because it can be changed into a prime (240235139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11700 + ... + 24846.

It is an arithmetic number, because the mean of its divisors is an integer number (40048808).

Almost surely, 2^240235131 is an apocalyptic number.

240235131 is a deficient number, since it is larger than the sum of its proper divisors (80155333).

240235131 is a wasteful number, since it uses less digits than its factorization.

240235131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19241.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 240235131 is about 15499.5203474172. The cubic root of 240235131 is about 621.6493812522.

Adding to 240235131 its reverse (131532042), we get a palindrome (371767173).

The spelling of 240235131 in words is "two hundred forty million, two hundred thirty-five thousand, one hundred thirty-one".