240231413 has 4 divisors (see below), whose sum is σ = 240263328. Its totient is φ = 240199500.

The previous prime is 240231391. The next prime is 240231427. The reversal of 240231413 is 314132042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 240231413 - 2⁶ = 240231349 is a prime.

It is a super-2 number, since 2×240231413² = 115422263583953138, 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 (240231443) 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, 2288 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (60065832).

Almost surely, 2^240231413 is an apocalyptic number.

It is an amenable number.

240231413 is a deficient number, since it is larger than the sum of its proper divisors (31915).

240231413 is a wasteful number, since it uses less digits than its factorization.

240231413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31914.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 240231413 is about 15499.4004077577. The cubic root of 240231413 is about 621.6461742493.

Adding to 240231413 its reverse (314132042), we get a palindrome (554363455).

The spelling of 240231413 in words is "two hundred forty million, two hundred thirty-one thousand, four hundred thirteen".