31113050 has 36 divisors (see below), whose sum is σ = 59407098. Its totient is φ = 12120000.

The previous prime is 31113029. The next prime is 31113059. The reversal of 31113050 is 5031113.

It can be written as a sum of positive squares in 9 ways, for example, as 8082649 + 23030401 = 2843^2 + 4799^2 .

It is not an unprimeable number, because it can be changed into a prime (31113059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 308000 + ... + 308100.

Almost surely, 2^31113050 is an apocalyptic number.

31113050 is a deficient number, since it is larger than the sum of its proper divisors (28294048).

31113050 is a wasteful number, since it uses less digits than its factorization.

31113050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 31113050 is about 5577.9073136796. The cubic root of 31113050 is about 314.5194655171.

Adding to 31113050 its reverse (5031113), we get a palindrome (36144163).

The spelling of 31113050 in words is "thirty-one million, one hundred thirteen thousand, fifty".