231050502 has 128 divisors (see below), whose sum is σ = 587243520. Its totient is φ = 66908160.

The previous prime is 231050441. The next prime is 231050509. The reversal of 231050502 is 205050132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231050509) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 654358 + ... + 654710.

It is an arithmetic number, because the mean of its divisors is an integer number (4587840).

Almost surely, 2^231050502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231050502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293621760).

231050502 is an abundant number, since it is smaller than the sum of its proper divisors (356193018).

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

231050502 is a wasteful number, since it uses less digits than its factorization.

231050502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 231050502 is about 15200.3454566006. The cubic root of 231050502 is about 613.6239549634.

It can be divided in two parts, 23 and 1050502, that added together give a triangular number (1050525 = T₁₄₄₉).

The spelling of 231050502 in words is "two hundred thirty-one million, fifty thousand, five hundred two".