31300082 has 16 divisors (see below), whose sum is σ = 51352704. Its totient is φ = 14190000.

The previous prime is 31300081. The next prime is 31300091. The reversal of 31300082 is 28000313.

It is a self number, because there is not a number n which added to its sum of digits gives 31300082.

It is not an unprimeable number, because it can be changed into a prime (31300081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7832 + ... + 11132.

It is an arithmetic number, because the mean of its divisors is an integer number (3209544).

Almost surely, 2^31300082 is an apocalyptic number.

31300082 is a deficient number, since it is larger than the sum of its proper divisors (20052622).

31300082 is a wasteful number, since it uses less digits than its factorization.

31300082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31300082 is about 5594.6476207175. The cubic root of 31300082 is about 315.1484376412.

Adding to 31300082 its reverse (28000313), we get a palindrome (59300395).

The spelling of 31300082 in words is "thirty-one million, three hundred thousand, eighty-two".