230061312 has 108 divisors (see below), whose sum is σ = 714441364. Its totient is φ = 70778880.

The previous prime is 230061281. The next prime is 230061343. The reversal of 230061312 is 213160032.

It is an interprime number because it is at equal distance from previous prime (230061281) and next prime (230061343).

It can be written as a sum of positive squares in 2 ways, for example, as 94012416 + 136048896 = 9696^2 + 11664^2 .

It is a super-2 number, since 2×230061312² = 105856414558322688, which contains 22 as substring.

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

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 11 ways as a sum of consecutive naturals, for example, 26112 + ... + 33792.

Almost surely, 2^230061312 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 230061312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357220682).

230061312 is an abundant number, since it is smaller than the sum of its proper divisors (484380052).

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

230061312 is a wasteful number, since it uses less digits than its factorization.

230061312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 7699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 230061312 is about 15167.7721501874. The cubic root of 230061312 is about 612.7470053043.

The spelling of 230061312 in words is "two hundred thirty million, sixty-one thousand, three hundred twelve".