31142482 has 48 divisors (see below), whose sum is σ = 58501440. Its totient is φ = 12141792.

The previous prime is 31142479. The next prime is 31142497. The reversal of 31142482 is 28424113.

Its product of digits (1536) is a multiple of the sum of its prime divisors (128).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 587568 + ... + 587620.

It is an arithmetic number, because the mean of its divisors is an integer number (1218780).

Almost surely, 2^31142482 is an apocalyptic number.

31142482 is a deficient number, since it is larger than the sum of its proper divisors (27358958).

31142482 is a wasteful number, since it uses less digits than its factorization.

31142482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 128 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 31142482 is about 5580.5449554681. The cubic root of 31142482 is about 314.6186095474.

Adding to 31142482 its reverse (28424113), we get a palindrome (59566595).

The spelling of 31142482 in words is "thirty-one million, one hundred forty-two thousand, four hundred eighty-two".