230711382 has 32 divisors (see below), whose sum is σ = 559301760. Its totient is φ = 69912360.

The previous prime is 230711381. The next prime is 230711399. The reversal of 230711382 is 283117032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230711381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193608 + ... + 194795.

It is an arithmetic number, because the mean of its divisors is an integer number (17478180).

Almost surely, 2^230711382 is an apocalyptic number.

230711382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

230711382 is an abundant number, since it is smaller than the sum of its proper divisors (328590378).

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

230711382 is a wasteful number, since it uses less digits than its factorization.

230711382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388425 (or 388419 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 230711382 is about 15189.1863508221. The cubic root of 230711382 is about 613.3235963194.

It can be divided in two parts, 2307 and 11382, that added together give a square (13689 = 117²).

The spelling of 230711382 in words is "two hundred thirty million, seven hundred eleven thousand, three hundred eighty-two".