231154144254 has 256 divisors, whose sum is σ = 583129497600. Its totient is φ = 67270694400.

The previous prime is 231154144241. The next prime is 231154144337. The reversal of 231154144254 is 452441451132.

231154144254 is a `hidden beast` number, since 2 + 311 + 54 + 1 + 44 + 254 = 666.

231154144254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×231154144254³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 685917174 + ... + 685917510.

It is an arithmetic number, because the mean of its divisors is an integer number (2277849600).

Almost surely, 2^231154144254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231154144254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291564748800).

231154144254 is an abundant number, since it is smaller than the sum of its proper divisors (351975353346).

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

231154144254 is a wasteful number, since it uses less digits than its factorization.

231154144254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 790 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 231154144254 its reverse (452441451132), we get a palindrome (683595595386).

The spelling of 231154144254 in words is "two hundred thirty-one billion, one hundred fifty-four million, one hundred forty-four thousand, two hundred fifty-four".