240213131 has 8 divisors (see below), whose sum is σ = 245170800. Its totient is φ = 235285120.

The previous prime is 240213121. The next prime is 240213133. The reversal of 240213131 is 131312042.

240213131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 240213131 - 2¹⁸ = 239950987 is a prime.

It is a super-2 number, since 2×240213131² = 115404696609646322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240213133) 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, 9335 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (30646350).

Almost surely, 2^240213131 is an apocalyptic number.

240213131 is a deficient number, since it is larger than the sum of its proper divisors (4957669).

240213131 is a wasteful number, since it uses less digits than its factorization.

240213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14829.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 240213131 is about 15498.8106317872. The cubic root of 240213131 is about 621.6304044220.

Adding to 240213131 its reverse (131312042), we get a palindrome (371525173).

The spelling of 240213131 in words is "two hundred forty million, two hundred thirteen thousand, one hundred thirty-one".