240350431 has 4 divisors (see below), whose sum is σ = 244290664. Its totient is φ = 236410200.

The previous prime is 240350419. The next prime is 240350447. The reversal of 240350431 is 134053042.

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 240350431 - 2⁷ = 240350303 is a prime.

It is a super-2 number, since 2×240350431² = 115536659363771522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240350491) 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, 1970025 + ... + 1970146.

It is an arithmetic number, because the mean of its divisors is an integer number (61072666).

Almost surely, 2^240350431 is an apocalyptic number.

240350431 is a deficient number, since it is larger than the sum of its proper divisors (3940233).

240350431 is an equidigital number, since it uses as much as digits as its factorization.

240350431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940232.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 240350431 is about 15503.2393711766. The cubic root of 240350431 is about 621.7488181518.

The spelling of 240350431 in words is "two hundred forty million, three hundred fifty thousand, four hundred thirty-one".