31050105 has 16 divisors (see below), whose sum is σ = 49749504. Its totient is φ = 16536960.

The previous prime is 31050083. The next prime is 31050113. The reversal of 31050105 is 50105013.

It is not a de Polignac number, because 31050105 - 2⁹ = 31049593 is a prime.

It is a super-2 number, since 2×31050105² = 1928218041022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19032 + ... + 20598.

It is an arithmetic number, because the mean of its divisors is an integer number (3109344).

Almost surely, 2^31050105 is an apocalyptic number.

It is an amenable number.

31050105 is a deficient number, since it is larger than the sum of its proper divisors (18699399).

31050105 is a wasteful number, since it uses less digits than its factorization.

31050105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 31050105 is about 5572.2621079773. The cubic root of 31050105 is about 314.3072202422.

Adding to 31050105 its reverse (50105013), we get a palindrome (81155118).

The spelling of 31050105 in words is "thirty-one million, fifty thousand, one hundred five".