231472534 has 8 divisors (see below), whose sum is σ = 347295168. Its totient is φ = 115707480.

The previous prime is 231472499. The next prime is 231472537. The reversal of 231472534 is 435274132.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 231472496 and 231472505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231472537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317 + ... + 21640.

It is an arithmetic number, because the mean of its divisors is an integer number (43411896).

Almost surely, 2^231472534 is an apocalyptic number.

231472534 is a deficient number, since it is larger than the sum of its proper divisors (115822634).

231472534 is a wasteful number, since it uses less digits than its factorization.

231472534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28790.

The product of its digits is 20160, while the sum is 31.

The square root of 231472534 is about 15214.2214391667. The cubic root of 231472534 is about 613.9973385986.

The spelling of 231472534 in words is "two hundred thirty-one million, four hundred seventy-two thousand, five hundred thirty-four".