240431122021 has 8 divisors (see below), whose sum is σ = 247286637344. Its totient is φ = 233594416080.

The previous prime is 240431121979. The next prime is 240431122027. The reversal of 240431122021 is 120221134042.

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 240431122021 - 2⁷ = 240431121893 is a prime.

It is a super-2 number, since 2×240431122021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240431121983 and 240431122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240431122027) 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, 4676415 + ... + 4727548.

It is an arithmetic number, because the mean of its divisors is an integer number (30910829668).

Almost surely, 2^240431122021 is an apocalyptic number.

It is an amenable number.

240431122021 is a deficient number, since it is larger than the sum of its proper divisors (6855515323).

240431122021 is an equidigital number, since it uses as much as digits as its factorization.

240431122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404691.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 240431122021 its reverse (120221134042), we get a palindrome (360652256063).

The spelling of 240431122021 in words is "two hundred forty billion, four hundred thirty-one million, one hundred twenty-two thousand, twenty-one".