31089050 has 24 divisors (see below), whose sum is σ = 57975456. Its totient is φ = 12403440.

The previous prime is 31089049. The next prime is 31089053. The reversal of 31089050 is 5098013.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31089053) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 31667 + ... + 32633.

It is an arithmetic number, because the mean of its divisors is an integer number (2415644).

Almost surely, 2^31089050 is an apocalyptic number.

31089050 is a deficient number, since it is larger than the sum of its proper divisors (26886406).

31089050 is a wasteful number, since it uses less digits than its factorization.

31089050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 31089050 is about 5575.7555541828. The cubic root of 31089050 is about 314.4385733200.

The spelling of 31089050 in words is "thirty-one million, eighty-nine thousand, fifty".