240131433 has 16 divisors (see below), whose sum is σ = 325031616. Its totient is φ = 157677120.

The previous prime is 240131407. The next prime is 240131447. The reversal of 240131433 is 334131042.

It is not a de Polignac number, because 240131433 - 2¹⁶ = 240065897 is a prime.

It is a super-2 number, since 2×240131433² = 115326210229266978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240131453) 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, 56035 + ... + 60167.

It is an arithmetic number, because the mean of its divisors is an integer number (20314476).

Almost surely, 2^240131433 is an apocalyptic number.

It is an amenable number.

240131433 is a deficient number, since it is larger than the sum of its proper divisors (84900183).

240131433 is a wasteful number, since it uses less digits than its factorization.

240131433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 240131433 is about 15496.1747860561. The cubic root of 240131433 is about 621.5599229581.

Adding to 240131433 its reverse (334131042), we get a palindrome (574262475).

The spelling of 240131433 in words is "two hundred forty million, one hundred thirty-one thousand, four hundred thirty-three".