231472536 has 64 divisors (see below), whose sum is σ = 599577600. Its totient is φ = 74390400.

The previous prime is 231472499. The next prime is 231472537. The reversal of 231472536 is 635274132.

It is a junction number, because it is equal to n+sod(n) for n = 231472497 and 231472506.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312855 + ... + 313593.

It is an arithmetic number, because the mean of its divisors is an integer number (9368400).

Almost surely, 2^231472536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231472536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299788800).

231472536 is an abundant number, since it is smaller than the sum of its proper divisors (368105064).

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

231472536 is a wasteful number, since it uses less digits than its factorization.

231472536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1196 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 231472536 is about 15214.2215048947. The cubic root of 231472536 is about 613.9973403670.

The spelling of 231472536 in words is "two hundred thirty-one million, four hundred seventy-two thousand, five hundred thirty-six".