311012020011101 has 16 divisors (see below), whose sum is σ = 319937156985600. Its totient is φ = 302150718777600.

The previous prime is 311012020011059. The next prime is 311012020011107. The reversal of 311012020011101 is 101110020210113.

It is a cyclic number.

It is not a de Polignac number, because 311012020011101 - 2¹⁸ = 311012019748957 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 (311012020011107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532391510 + ... + 532975368.

It is an arithmetic number, because the mean of its divisors is an integer number (19996072311600).

Almost surely, 2^{311012020011101} is an apocalyptic number.

It is an amenable number.

311012020011101 is a deficient number, since it is larger than the sum of its proper divisors (8925136974499).

311012020011101 is a wasteful number, since it uses less digits than its factorization.

311012020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638500.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 311012020011101 its reverse (101110020210113), we get a palindrome (412122040221214).

The spelling of 311012020011101 in words is "three hundred eleven trillion, twelve billion, twenty million, eleven thousand, one hundred one".