230771531 has 8 divisors (see below), whose sum is σ = 239587200. Its totient is φ = 222013120.

The previous prime is 230771521. The next prime is 230771543. The reversal of 230771531 is 135177032.

230771531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230771531 is a prime.

It is a super-2 number, since 2×230771531² = 106510999040167922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230771494 and 230771503.

It is not an unprimeable number, because it can be changed into a prime (230771521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (29948400).

Almost surely, 2^230771531 is an apocalyptic number.

230771531 is a deficient number, since it is larger than the sum of its proper divisors (8815669).

230771531 is a wasteful number, since it uses less digits than its factorization.

230771531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28629.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 230771531 is about 15191.1662159296. The cubic root of 230771531 is about 613.3768917618.

The spelling of 230771531 in words is "two hundred thirty million, seven hundred seventy-one thousand, five hundred thirty-one".