311020001 has 4 divisors (see below), whose sum is σ = 311079600. Its totient is φ = 310960404.

The previous prime is 311019977. The next prime is 311020013. The reversal of 311020001 is 100020113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311020001 - 2⁶ = 311019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311020081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21131 + ... + 32688.

It is an arithmetic number, because the mean of its divisors is an integer number (77769900).

Almost surely, 2^311020001 is an apocalyptic number.

It is an amenable number.

311020001 is a deficient number, since it is larger than the sum of its proper divisors (59599).

311020001 is an equidigital number, since it uses as much as digits as its factorization.

311020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59598.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 311020001 is about 17635.7591557608. The cubic root of 311020001 is about 677.5314190483.

Adding to 311020001 its reverse (100020113), we get a palindrome (411040114).

The spelling of 311020001 in words is "three hundred eleven million, twenty thousand, one".