231277148 has 12 divisors (see below), whose sum is σ = 404860512. Its totient is φ = 115602720.

The previous prime is 231277141. The next prime is 231277153. The reversal of 231277148 is 841772132.

231277148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231277141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10013 + ... + 23723.

It is an arithmetic number, because the mean of its divisors is an integer number (33738376).

Almost surely, 2^231277148 is an apocalyptic number.

It is an amenable number.

231277148 is a deficient number, since it is larger than the sum of its proper divisors (173583364).

231277148 is a wasteful number, since it uses less digits than its factorization.

231277148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932 (or 17930 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 231277148 is about 15207.7989202909. The cubic root of 231277148 is about 613.8245315527.

The spelling of 231277148 in words is "two hundred thirty-one million, two hundred seventy-seven thousand, one hundred forty-eight".