231403062 has 24 divisors (see below), whose sum is σ = 508705848. Its totient is φ = 70121920.

The previous prime is 231403037. The next prime is 231403063. The reversal of 231403062 is 260304132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231403063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158643 + ... + 160094.

It is an arithmetic number, because the mean of its divisors is an integer number (21196077).

Almost surely, 2^231403062 is an apocalyptic number.

231403062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231403062 is an abundant number, since it is smaller than the sum of its proper divisors (277302786).

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

231403062 is a wasteful number, since it uses less digits than its factorization.

231403062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318764 (or 318753 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 231403062 is about 15211.9381408156. The cubic root of 231403062 is about 613.9359059807.

Adding to 231403062 its reverse (260304132), we get a palindrome (491707194).

The spelling of 231403062 in words is "two hundred thirty-one million, four hundred three thousand, sixty-two".