318421011 has 8 divisors (see below), whose sum is σ = 425256400. Its totient is φ = 211933152.

The previous prime is 318421003. The next prime is 318421021. The reversal of 318421011 is 110124813.

It is a happy number.

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

It is not a de Polignac number, because 318421011 - 2³ = 318421003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318421021) 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, 84736 + ... + 88413.

It is an arithmetic number, because the mean of its divisors is an integer number (53157050).

Almost surely, 2^318421011 is an apocalyptic number.

318421011 is a deficient number, since it is larger than the sum of its proper divisors (106835389).

318421011 is a wasteful number, since it uses less digits than its factorization.

318421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173765.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 318421011 is about 17844.3551578643. The cubic root of 318421011 is about 682.8635093434.

Adding to 318421011 its reverse (110124813), we get a palindrome (428545824).

The spelling of 318421011 in words is "three hundred eighteen million, four hundred twenty-one thousand, eleven".