311013245 has 16 divisors (see below), whose sum is σ = 390009600. Its totient is φ = 237646464.

The previous prime is 311013233. The next prime is 311013247. The reversal of 311013245 is 542310113.

It is a cyclic number.

It is not a de Polignac number, because 311013245 - 2¹⁸ = 310751101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311013247) by changing a digit.

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, 100481 + ... + 103529.

It is an arithmetic number, because the mean of its divisors is an integer number (24375600).

Almost surely, 2^311013245 is an apocalyptic number.

It is an amenable number.

311013245 is a deficient number, since it is larger than the sum of its proper divisors (78996355).

311013245 is a wasteful number, since it uses less digits than its factorization.

311013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 311013245 is about 17635.5676120731. The cubic root of 311013245 is about 677.5265132165.

Adding to 311013245 its reverse (542310113), we get a palindrome (853323358).

The spelling of 311013245 in words is "three hundred eleven million, thirteen thousand, two hundred forty-five".