231154338 has 48 divisors (see below), whose sum is σ = 496013760. Its totient is φ = 71794944.

The previous prime is 231154333. The next prime is 231154349. The reversal of 231154338 is 833451132.

It is not an unprimeable number, because it can be changed into a prime (231154333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188395 + ... + 189617.

It is an arithmetic number, because the mean of its divisors is an integer number (10333620).

Almost surely, 2^231154338 is an apocalyptic number.

231154338 is an abundant number, since it is smaller than the sum of its proper divisors (264859422).

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

231154338 is a wasteful number, since it uses less digits than its factorization.

231154338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1354 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 231154338 is about 15203.7606532068. The cubic root of 231154338 is about 613.7158637510.

The spelling of 231154338 in words is "two hundred thirty-one million, one hundred fifty-four thousand, three hundred thirty-eight".