240140031 has 8 divisors (see below), whose sum is σ = 337038720. Its totient is φ = 151667352.

The previous prime is 240140009. The next prime is 240140051. The reversal of 240140031 is 130041042.

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

It is not a de Polignac number, because 240140031 - 2⁷ = 240139903 is a prime.

It is a super-3 number, since 3×240140031³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240140051) 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, 2106435 + ... + 2106548.

It is an arithmetic number, because the mean of its divisors is an integer number (42129840).

Almost surely, 2^240140031 is an apocalyptic number.

240140031 is a deficient number, since it is larger than the sum of its proper divisors (96898689).

240140031 is a wasteful number, since it uses less digits than its factorization.

240140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213005.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 240140031 is about 15496.4522068763. The cubic root of 240140031 is about 621.5673412683.

Adding to 240140031 its reverse (130041042), we get a palindrome (370181073).

The spelling of 240140031 in words is "two hundred forty million, one hundred forty thousand, thirty-one".