311100493 has 16 divisors (see below), whose sum is σ = 359904384. Its totient is φ = 265768960.

The previous prime is 311100463. The next prime is 311100521. The reversal of 311100493 is 394001113.

It is a cyclic number.

It is not a de Polignac number, because 311100493 - 2²¹ = 309003341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311100443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226896 + ... + 228262.

It is an arithmetic number, because the mean of its divisors is an integer number (22494024).

Almost surely, 2^311100493 is an apocalyptic number.

It is an amenable number.

311100493 is a deficient number, since it is larger than the sum of its proper divisors (48803891).

311100493 is a wasteful number, since it uses less digits than its factorization.

311100493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 311100493 is about 17638.0410760379. The cubic root of 311100493 is about 677.5898624012.

The spelling of 311100493 in words is "three hundred eleven million, one hundred thousand, four hundred ninety-three".