231246542 has 8 divisors (see below), whose sum is σ = 347534616. Its totient is φ = 115401672.

The previous prime is 231246539. The next prime is 231246569. The reversal of 231246542 is 245642132.

231246542 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 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, 109493 + ... + 111584.

It is an arithmetic number, because the mean of its divisors is an integer number (43441827).

Almost surely, 2^231246542 is an apocalyptic number.

231246542 is a deficient number, since it is larger than the sum of its proper divisors (116288074).

231246542 is a wasteful number, since it uses less digits than its factorization.

231246542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221602.

The product of its digits is 11520, while the sum is 29.

The square root of 231246542 is about 15206.7926269809. The cubic root of 231246542 is about 613.7974535894.

Adding to 231246542 its reverse (245642132), we get a palindrome (476888674).

The spelling of 231246542 in words is "two hundred thirty-one million, two hundred forty-six thousand, five hundred forty-two".