31346045 has 16 divisors (see below), whose sum is σ = 40020480. Its totient is φ = 23487744.

The previous prime is 31346027. The next prime is 31346083. The reversal of 31346045 is 54064313.

It is not a de Polignac number, because 31346045 - 2⁸ = 31345789 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19544 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (2501280).

Almost surely, 2^31346045 is an apocalyptic number.

It is an amenable number.

31346045 is a deficient number, since it is larger than the sum of its proper divisors (8674435).

31346045 is a wasteful number, since it uses less digits than its factorization.

31346045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 31346045 is about 5598.7538792128. The cubic root of 31346045 is about 315.3026234259.

The spelling of 31346045 in words is "thirty-one million, three hundred forty-six thousand, forty-five".