311040201 has 16 divisors (see below), whose sum is σ = 433797120. Its totient is φ = 197865360.

The previous prime is 311040187. The next prime is 311040221. The reversal of 311040201 is 102040113.

It is a happy number.

It is not a de Polignac number, because 311040201 - 2⁷ = 311040073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311040221) 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, 24510 + ... + 34968.

It is an arithmetic number, because the mean of its divisors is an integer number (27112320).

Almost surely, 2^311040201 is an apocalyptic number.

It is an amenable number.

311040201 is a deficient number, since it is larger than the sum of its proper divisors (122756919).

311040201 is a wasteful number, since it uses less digits than its factorization.

311040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 311040201 is about 17636.3318465037. The cubic root of 311040201 is about 677.5460867420.

Adding to 311040201 its reverse (102040113), we get a palindrome (413080314).

The spelling of 311040201 in words is "three hundred eleven million, forty thousand, two hundred one".