231769921935552 has 336 divisors, whose sum is σ = 838053184131072. Its totient is φ = 55569211729920.

The previous prime is 231769921935551. The next prime is 231769921935599. The reversal of 231769921935552 is 255539129967132.

231769921935552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (231769921935551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84792448 + ... + 87483135.

It is an arithmetic number, because the mean of its divisors is an integer number (2494205905152).

Almost surely, 2^{231769921935552} is an apocalyptic number.

231769921935552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231769921935552 is an abundant number, since it is smaller than the sum of its proper divisors (606283262195520).

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

231769921935552 is a wasteful number, since it uses less digits than its factorization.

231769921935552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172275636 (or 172275619 counting only the distinct ones).

The product of its digits is 275562000, while the sum is 69.

The spelling of 231769921935552 in words is "two hundred thirty-one trillion, seven hundred sixty-nine billion, nine hundred twenty-one million, nine hundred thirty-five thousand, five hundred fifty-two".