231335505655 has 8 divisors (see below), whose sum is σ = 277839678384. Its totient is φ = 184910356800.

The previous prime is 231335505619. The next prime is 231335505671. The reversal of 231335505655 is 556505533132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-231335505655 is a prime.

It is a super-3 number, since 3×231335505655³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

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, 19749526 + ... + 19761235.

It is an arithmetic number, because the mean of its divisors is an integer number (34729959798).

Almost surely, 2^231335505655 is an apocalyptic number.

231335505655 is a deficient number, since it is larger than the sum of its proper divisors (46504172729).

231335505655 is a wasteful number, since it uses less digits than its factorization.

231335505655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39511937.

The product of its (nonzero) digits is 1012500, while the sum is 43.

The spelling of 231335505655 in words is "two hundred thirty-one billion, three hundred thirty-five million, five hundred five thousand, six hundred fifty-five".