231514000554140 has 48 divisors (see below), whose sum is σ = 490657791254400. Its totient is φ = 91752635976192.

The previous prime is 231514000554121. The next prime is 231514000554143. The reversal of 231514000554140 is 41455000415132.

It is a happy number.

It is a super-2 number, since 2×231514000554140² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231514000554140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231514000554143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57809816 + ... + 61684704.

It is an arithmetic number, because the mean of its divisors is an integer number (10222037317800).

Almost surely, 2^{231514000554140} is an apocalyptic number.

231514000554140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231514000554140 is an abundant number, since it is smaller than the sum of its proper divisors (259143790700260).

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

231514000554140 is a wasteful number, since it uses less digits than its factorization.

231514000554140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902414 (or 3902412 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 231514000554140 its reverse (41455000415132), we get a palindrome (272969000969272).

The spelling of 231514000554140 in words is "two hundred thirty-one trillion, five hundred fourteen billion, five hundred fifty-four thousand, one hundred forty".