231849954064 has 135 divisors (see below), whose sum is σ = 488853276957. Its totient is φ = 106501865472.

The previous prime is 231849954053. The next prime is 231849954067. The reversal of 231849954064 is 460459948132.

The square root of 231849954064 is 481508.

It is a perfect power (a square), and thus also a powerful number.

231849954064 is digitally balanced in base 3, 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 13 ways, for example, as 48145136400 + 183704817664 = 219420^2 + 428608^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231849953996 and 231849954014.

It is not an unprimeable number, because it can be changed into a prime (231849954067) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2390205664 + ... + 2390205760.

Almost surely, 2^231849954064 is an apocalyptic number.

231849954064 is the 481508-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231849954064

231849954064 is an abundant number, since it is smaller than the sum of its proper divisors (257003322893).

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

231849954064 is an frugal number, since it uses more digits than its factorization.

231849954064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 231849954064 in words is "two hundred thirty-one billion, eight hundred forty-nine million, nine hundred fifty-four thousand, sixty-four".