240534230311431 has 12 divisors (see below), whose sum is σ = 397072380196752. Its totient is φ = 137448131606496.

The previous prime is 240534230311429. The next prime is 240534230311469. The reversal of 240534230311431 is 134113032435042.

240534230311431 is a `hidden beast` number, since 2 + 4 + 0 + 5 + 342 + 303 + 1 + 1 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 240534230311431 - 2¹ = 240534230311429 is a prime.

It is a super-3 number, since 3×240534230311431³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240534230311931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1909001827806 + ... + 1909001827931.

It is an arithmetic number, because the mean of its divisors is an integer number (33089365016396).

Almost surely, 2^{240534230311431} is an apocalyptic number.

240534230311431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

240534230311431 is a deficient number, since it is larger than the sum of its proper divisors (156538149885321).

240534230311431 is a wasteful number, since it uses less digits than its factorization.

240534230311431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818003655750 (or 3818003655747 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 240534230311431 its reverse (134113032435042), we get a palindrome (374647262746473).

The spelling of 240534230311431 in words is "two hundred forty trillion, five hundred thirty-four billion, two hundred thirty million, three hundred eleven thousand, four hundred thirty-one".