231245534 has 8 divisors (see below), whose sum is σ = 373550520. Its totient is φ = 106728696.

The previous prime is 231245527. The next prime is 231245549. The reversal of 231245534 is 435542132.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 231245497 and 231245506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4447004 + ... + 4447055.

It is an arithmetic number, because the mean of its divisors is an integer number (46693815).

Almost surely, 2^231245534 is an apocalyptic number.

231245534 is a deficient number, since it is larger than the sum of its proper divisors (142304986).

231245534 is a wasteful number, since it uses less digits than its factorization.

231245534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894074.

The product of its digits is 14400, while the sum is 29.

The square root of 231245534 is about 15206.7594838611. The cubic root of 231245534 is about 613.7965617437.

Adding to 231245534 its reverse (435542132), we get a palindrome (666787666).

The spelling of 231245534 in words is "two hundred thirty-one million, two hundred forty-five thousand, five hundred thirty-four".