240401131 has 4 divisors (see below), whose sum is σ = 254542392. Its totient is φ = 226259872.

The previous prime is 240401047. The next prime is 240401149. The reversal of 240401131 is 131104042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240401131 - 2¹⁷ = 240270059 is a prime.

It is a super-2 number, since 2×240401131² = 115585407572158322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240401431) 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, 7070605 + ... + 7070638.

It is an arithmetic number, because the mean of its divisors is an integer number (63635598).

Almost surely, 2^240401131 is an apocalyptic number.

240401131 is a deficient number, since it is larger than the sum of its proper divisors (14141261).

240401131 is a wasteful number, since it uses less digits than its factorization.

240401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141260.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 240401131 is about 15504.8744270955. The cubic root of 240401131 is about 621.7925327241.

Adding to 240401131 its reverse (131104042), we get a palindrome (371505173).

It can be divided in two parts, 2404011 and 31, that added together give a palindrome (2404042).

The spelling of 240401131 in words is "two hundred forty million, four hundred one thousand, one hundred thirty-one".