230311332 has 36 divisors (see below), whose sum is σ = 587526940. Its totient is φ = 76064832.

The previous prime is 230311303. The next prime is 230311349. The reversal of 230311332 is 233113032.

230311332 is a `hidden beast` number, since 23 + 0 + 311 + 332 = 666.

230311332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133957476 + 96353856 = 11574^2 + 9816^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×230311332² = 106086619295228448, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25423 + ... + 33270.

Almost surely, 2^230311332 is an apocalyptic number.

It is an amenable number.

230311332 is an abundant number, since it is smaller than the sum of its proper divisors (357215608).

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

230311332 is a wasteful number, since it uses less digits than its factorization.

230311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58812 (or 58807 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 230311332 is about 15176.0117290413. The cubic root of 230311332 is about 612.9688933188.

Adding to 230311332 its reverse (233113032), we get a palindrome (463424364).

The spelling of 230311332 in words is "two hundred thirty million, three hundred eleven thousand, three hundred thirty-two".