231414342440 has 16 divisors (see below), whose sum is σ = 520682270580. Its totient is φ = 92565736960.

The previous prime is 231414342437. The next prime is 231414342449. The reversal of 231414342440 is 44243414132.

231414342440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215108584804 + 16305757636 = 463798^2 + 127694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231414342397 and 231414342406.

It is not an unprimeable number, because it can be changed into a prime (231414342449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892679241 + ... + 2892679320.

Almost surely, 2^231414342440 is an apocalyptic number.

231414342440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231414342440 is an abundant number, since it is smaller than the sum of its proper divisors (289267928140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231414342440 is a wasteful number, since it uses less digits than its factorization.

231414342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785358572 (or 5785358568 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 231414342440 its reverse (44243414132), we get a palindrome (275657756572).

The spelling of 231414342440 in words is "two hundred thirty-one billion, four hundred fourteen million, three hundred forty-two thousand, four hundred forty".