231032575 has 12 divisors (see below), whose sum is σ = 289934568. Its totient is φ = 182597600.

The previous prime is 231032537. The next prime is 231032579. The reversal of 231032575 is 575230132.

It is not a de Polignac number, because 231032575 - 2⁹ = 231032063 is a prime.

It is a super-2 number, since 2×231032575² = 106752101422261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231032579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53596 + ... + 57745.

It is an arithmetic number, because the mean of its divisors is an integer number (24161214).

Almost surely, 2^231032575 is an apocalyptic number.

231032575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231032575 is a deficient number, since it is larger than the sum of its proper divisors (58901993).

231032575 is a wasteful number, since it uses less digits than its factorization.

231032575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111434 (or 111429 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 231032575 is about 15199.7557546166. The cubic root of 231032575 is about 613.6080843766.

It can be divided in two parts, 2310325 and 75, that added together give a square (2310400 = 1520²).

The spelling of 231032575 in words is "two hundred thirty-one million, thirty-two thousand, five hundred seventy-five".