31045859 has 16 divisors (see below), whose sum is σ = 36015840. Its totient is φ = 26503680.

The previous prime is 31045853. The next prime is 31045877. The reversal of 31045859 is 95854013.

It is a de Polignac number, because none of the positive numbers 2^k-31045859 is a prime.

It is a super-2 number, since 2×31045859² = 1927690722095762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31045853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11849 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (2250990).

Almost surely, 2^31045859 is an apocalyptic number.

31045859 is a deficient number, since it is larger than the sum of its proper divisors (4969981).

31045859 is a wasteful number, since it uses less digits than its factorization.

31045859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 31045859 is about 5571.8811006697. The cubic root of 31045859 is about 314.2928927621.

The spelling of 31045859 in words is "thirty-one million, forty-five thousand, eight hundred fifty-nine".