240227131 has 4 divisors (see below), whose sum is σ = 240699600. Its totient is φ = 239754664.

The previous prime is 240227107. The next prime is 240227147. The reversal of 240227131 is 131722042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131722042 = 2 ⋅65861021.

It is a cyclic number.

It is not a de Polignac number, because 240227131 - 2¹⁹ = 239702843 is a prime.

It is a super-2 number, since 2×240227131² = 115418148936982322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240227161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235471 + ... + 236488.

It is an arithmetic number, because the mean of its divisors is an integer number (60174900).

Almost surely, 2^240227131 is an apocalyptic number.

240227131 is a deficient number, since it is larger than the sum of its proper divisors (472469).

240227131 is an equidigital number, since it uses as much as digits as its factorization.

240227131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472468.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 240227131 is about 15499.2622727664. The cubic root of 240227131 is about 621.6424807208.

Adding to 240227131 its reverse (131722042), we get a palindrome (371949173).

The spelling of 240227131 in words is "two hundred forty million, two hundred twenty-seven thousand, one hundred thirty-one".