31650052 has 12 divisors (see below), whose sum is σ = 63300160. Its totient is φ = 13564296.

The previous prime is 31650043. The next prime is 31650071. The reversal of 31650052 is 25005613.

It is a happy number.

31650052 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565152 + ... + 565207.

Almost surely, 2^31650052 is an apocalyptic number.

It is an amenable number.

31650052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31650052 is a wasteful number, since it uses less digits than its factorization.

31650052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130370 (or 1130368 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 31650052 is about 5625.8378931498. The cubic root of 31650052 is about 316.3186578841.

Adding to 31650052 its reverse (25005613), we get a palindrome (56655665).

The spelling of 31650052 in words is "thirty-one million, six hundred fifty thousand, fifty-two".