240151231 has 8 divisors (see below), whose sum is σ = 257497920. Its totient is φ = 223162368.

The previous prime is 240151229. The next prime is 240151267. The reversal of 240151231 is 132151042.

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

It is a cyclic number.

It is not a de Polignac number, because 240151231 - 2¹ = 240151229 is a prime.

It is a super-2 number, since 2×240151231² = 115345227501630722, 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 = 240151199 and 240151208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240151631) 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, 88066 + ... + 90751.

It is an arithmetic number, because the mean of its divisors is an integer number (32187240).

Almost surely, 2^240151231 is an apocalyptic number.

240151231 is a deficient number, since it is larger than the sum of its proper divisors (17346689).

240151231 is a wasteful number, since it uses less digits than its factorization.

240151231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178913.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 240151231 is about 15496.8135757000. The cubic root of 240151231 is about 621.5770043053.

The spelling of 240151231 in words is "two hundred forty million, one hundred fifty-one thousand, two hundred thirty-one".