31300132 has 12 divisors (see below), whose sum is σ = 55143900. Its totient is φ = 15544736.

The previous prime is 31300123. The next prime is 31300141. The reversal of 31300132 is 23100313.

It is an interprime number because it is at equal distance from previous prime (31300123) and next prime (31300141).

It can be written as a sum of positive squares in 2 ways, for example, as 8202496 + 23097636 = 2864^2 + 4806^2 .

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 3 ways as a sum of consecutive naturals, for example, 25663 + ... + 26854.

It is an arithmetic number, because the mean of its divisors is an integer number (4595325).

Almost surely, 2^31300132 is an apocalyptic number.

It is an amenable number.

31300132 is a deficient number, since it is larger than the sum of its proper divisors (23843768).

31300132 is a wasteful number, since it uses less digits than its factorization.

31300132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52670 (or 52668 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 31300132 is about 5594.6520892724. The cubic root of 31300132 is about 315.1486054514.

Adding to 31300132 its reverse (23100313), we get a palindrome (54400445).

The spelling of 31300132 in words is "thirty-one million, three hundred thousand, one hundred thirty-two".