31052850 has 48 divisors (see below), whose sum is σ = 77420640. Its totient is φ = 8236800.

The previous prime is 31052807. The next prime is 31052869. The reversal of 31052850 is 5825013.

It is a self number, because there is not a number n which added to its sum of digits gives 31052850.

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, 35721 + ... + 36579.

It is an arithmetic number, because the mean of its divisors is an integer number (1612930).

Almost surely, 2^31052850 is an apocalyptic number.

31052850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31052850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38710320).

31052850 is an abundant number, since it is smaller than the sum of its proper divisors (46367790).

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

31052850 is a wasteful number, since it uses less digits than its factorization.

31052850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 31052850 is about 5572.5084118375. The cubic root of 31052850 is about 314.3164821314.

Adding to 31052850 its reverse (5825013), we get a palindrome (36877863).

The spelling of 31052850 in words is "thirty-one million, fifty-two thousand, eight hundred fifty".