311420121101 has 32 divisors (see below), whose sum is σ = 333991641600. Its totient is φ = 289354383360.

The previous prime is 311420121059. The next prime is 311420121109. The reversal of 311420121101 is 101121024113.

It is not a de Polignac number, because 311420121101 - 2⁶ = 311420121037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311420121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311420121109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320720546 + ... + 320721516.

It is an arithmetic number, because the mean of its divisors is an integer number (10437238800).

Almost surely, 2^311420121101 is an apocalyptic number.

It is an amenable number.

311420121101 is a deficient number, since it is larger than the sum of its proper divisors (22571520499).

311420121101 is a wasteful number, since it uses less digits than its factorization.

311420121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 311420121101 its reverse (101121024113), we get a palindrome (412541145214).

The spelling of 311420121101 in words is "three hundred eleven billion, four hundred twenty million, one hundred twenty-one thousand, one hundred one".