311440320200401 has 12 divisors (see below), whose sum is σ = 362582023077120. Its totient is φ = 266731990557480.

The previous prime is 311440320200377. The next prime is 311440320200459. The reversal of 311440320200401 is 104002023044113.

It is not a de Polignac number, because 311440320200401 - 2³¹ = 311438172716753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311440321200401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2581550121 + ... + 2581670758.

It is an arithmetic number, because the mean of its divisors is an integer number (30215168589760).

Almost surely, 2^{311440320200401} is an apocalyptic number.

It is an amenable number.

311440320200401 is a deficient number, since it is larger than the sum of its proper divisors (51141702876719).

311440320200401 is a wasteful number, since it uses less digits than its factorization.

311440320200401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163222124 (or 5163222117 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 311440320200401 its reverse (104002023044113), we get a palindrome (415442343244514).

The spelling of 311440320200401 in words is "three hundred eleven trillion, four hundred forty billion, three hundred twenty million, two hundred thousand, four hundred one".