240431013431 has 8 divisors (see below), whose sum is σ = 281168494464. Its totient is φ = 201291080760.

The previous prime is 240431013343. The next prime is 240431013461. The reversal of 240431013431 is 134310134042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240431013431 - 2¹⁸ = 240430751287 is a prime.

It is a super-2 number, since 2×240431013431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240431013431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240431013461) 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, 399386765 + ... + 399387366.

It is an arithmetic number, because the mean of its divisors is an integer number (35146061808).

Almost surely, 2^240431013431 is an apocalyptic number.

240431013431 is a deficient number, since it is larger than the sum of its proper divisors (40737481033).

240431013431 is an equidigital number, since it uses as much as digits as its factorization.

240431013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798774181.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 240431013431 its reverse (134310134042), we get a palindrome (374741147473).

The spelling of 240431013431 in words is "two hundred forty billion, four hundred thirty-one million, thirteen thousand, four hundred thirty-one".