231514001121150 has 144 divisors (see below), whose sum is σ = 678567071941200. Its totient is φ = 56122903987200.

The previous prime is 231514001121133. The next prime is 231514001121157. The reversal of 231514001121150 is 51121100415132.

231514001121150 is a `hidden beast` number, since 2 + 31 + 5 + 1 + 400 + 11 + 211 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231514001121157) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 166483926 + ... + 167868774.

It is an arithmetic number, because the mean of its divisors is an integer number (4712271332925).

Almost surely, 2^{231514001121150} is an apocalyptic number.

231514001121150 is an abundant number, since it is smaller than the sum of its proper divisors (447053070820050).

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

231514001121150 is a wasteful number, since it uses less digits than its factorization.

231514001121150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418651 (or 1418643 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 231514001121150 its reverse (51121100415132), we get a palindrome (282635101536282).

The spelling of 231514001121150 in words is "two hundred thirty-one trillion, five hundred fourteen billion, one million, one hundred twenty-one thousand, one hundred fifty".