3031320145 has 8 divisors (see below), whose sum is σ = 4157239104. Its totient is φ = 2078619504.

The previous prime is 3031320143. The next prime is 3031320157. The reversal of 3031320145 is 5410231303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3031320145 - 2¹ = 3031320143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031320143) 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, 43304539 + ... + 43304608.

It is an arithmetic number, because the mean of its divisors is an integer number (519654888).

Almost surely, 2^3031320145 is an apocalyptic number.

3031320145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3031320145 is a deficient number, since it is larger than the sum of its proper divisors (1125918959).

3031320145 is an equidigital number, since it uses as much as digits as its factorization.

3031320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86609159.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3031320145 is about 55057.4258842529. The cubic root of 3031320145 is about 1447.2512562731.

Adding to 3031320145 its reverse (5410231303), we get a palindrome (8441551448).

The spelling of 3031320145 in words is "three billion, thirty-one million, three hundred twenty thousand, one hundred forty-five".