230310131440 has 20 divisors (see below), whose sum is σ = 535471055784. Its totient is φ = 92124052544.

The previous prime is 230310131417. The next prime is 230310131489. The reversal of 230310131440 is 44131013032.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439438242 + ... + 1439438401.

Almost surely, 2^230310131440 is an apocalyptic number.

230310131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230310131440 is an abundant number, since it is smaller than the sum of its proper divisors (305160924344).

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

230310131440 is a wasteful number, since it uses less digits than its factorization.

230310131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878876656 (or 2878876650 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 230310131440 its reverse (44131013032), we get a palindrome (274441144472).

The spelling of 230310131440 in words is "two hundred thirty billion, three hundred ten million, one hundred thirty-one thousand, four hundred forty".