31483230 has 32 divisors (see below), whose sum is σ = 76146048. Its totient is φ = 8330400.

The previous prime is 31483229. The next prime is 31483237. The reversal of 31483230 is 3238413.

It is a self number, because there is not a number n which added to its sum of digits gives 31483230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31483237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (2379564).

Almost surely, 2^31483230 is an apocalyptic number.

31483230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31483230 is an abundant number, since it is smaller than the sum of its proper divisors (44662818).

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

31483230 is a wasteful number, since it uses less digits than its factorization.

31483230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 31483230 is about 5610.9918909227. The cubic root of 31483230 is about 315.7619247751.

It can be divided in two parts, 31483 and 230, that added together give a palindrome (31713).

The spelling of 31483230 in words is "thirty-one million, four hundred eighty-three thousand, two hundred thirty".