231253050 has 144 divisors (see below), whose sum is σ = 677849472. Its totient is φ = 52012800.

The previous prime is 231253003. The next prime is 231253073. The reversal of 231253050 is 50352132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 536335 + ... + 536765.

It is an arithmetic number, because the mean of its divisors is an integer number (4707288).

Almost surely, 2^231253050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231253050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338924736).

231253050 is an abundant number, since it is smaller than the sum of its proper divisors (446596422).

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

231253050 is a wasteful number, since it uses less digits than its factorization.

231253050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 231253050 is about 15207.0066087971. The cubic root of 231253050 is about 613.8032115946.

The spelling of 231253050 in words is "two hundred thirty-one million, two hundred fifty-three thousand, fifty".