231335505342 has 24 divisors (see below), whose sum is σ = 501354977760. Its totient is φ = 77092135200.

The previous prime is 231335505341. The next prime is 231335505389. The reversal of 231335505342 is 243505533132.

231335505342 is a `hidden beast` number, since 2 + 3 + 13 + 3 + 550 + 53 + 42 = 666.

It is a super-2 number, since 2×231335505342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231335505297 and 231335505306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231335505341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1569159 + ... + 1710242.

It is an arithmetic number, because the mean of its divisors is an integer number (20889790740).

Almost surely, 2^231335505342 is an apocalyptic number.

231335505342 is an abundant number, since it is smaller than the sum of its proper divisors (270019472418).

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

231335505342 is a wasteful number, since it uses less digits than its factorization.

231335505342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283328 (or 3283325 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 231335505342 in words is "two hundred thirty-one billion, three hundred thirty-five million, five hundred five thousand, three hundred forty-two".