31045074 has 16 divisors (see below), whose sum is σ = 64093440. Its totient is φ = 10014480.

The previous prime is 31045073. The next prime is 31045093. The reversal of 31045074 is 47054013.

It is not an unprimeable number, because it can be changed into a prime (31045073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83269 + ... + 83640.

It is an arithmetic number, because the mean of its divisors is an integer number (4005840).

Almost surely, 2^31045074 is an apocalyptic number.

31045074 is an abundant number, since it is smaller than the sum of its proper divisors (33048366).

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

31045074 is a wasteful number, since it uses less digits than its factorization.

31045074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166945.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 31045074 is about 5571.8106572280. The cubic root of 31045074 is about 314.2902437561.

Adding to 31045074 its reverse (47054013), we get a palindrome (78099087).

The spelling of 31045074 in words is "thirty-one million, forty-five thousand, seventy-four".