231034156 has 6 divisors (see below), whose sum is σ = 404309780. Its totient is φ = 115517076.

The previous prime is 231034151. The next prime is 231034159. The reversal of 231034156 is 651430132.

231034156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231034156.

It is not an unprimeable number, because it can be changed into a prime (231034151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28879266 + ... + 28879273.

Almost surely, 2^231034156 is an apocalyptic number.

It is an amenable number.

231034156 is a deficient number, since it is larger than the sum of its proper divisors (173275624).

231034156 is a wasteful number, since it uses less digits than its factorization.

231034156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57758543 (or 57758541 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 231034156 is about 15199.8077619423. The cubic root of 231034156 is about 613.6094840525.

Adding to 231034156 its reverse (651430132), we get a palindrome (882464288).

The spelling of 231034156 in words is "two hundred thirty-one million, thirty-four thousand, one hundred fifty-six".