231553935481648 has 40 divisors (see below), whose sum is σ = 483194671214528. Its totient is φ = 106860323699712.

The previous prime is 231553935481573. The next prime is 231553935481669. The reversal of 231553935481648 is 846184539355132.

It is a super-3 number, since 3×231553935481648³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53773161 + ... + 57919432.

Almost surely, 2^{231553935481648} is an apocalyptic number.

It is an amenable number.

231553935481648 is an abundant number, since it is smaller than the sum of its proper divisors (251640735732880).

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

231553935481648 is a wasteful number, since it uses less digits than its factorization.

231553935481648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111702581 (or 111702575 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 67.

The spelling of 231553935481648 in words is "two hundred thirty-one trillion, five hundred fifty-three billion, nine hundred thirty-five million, four hundred eighty-one thousand, six hundred forty-eight".