311131413201 has 32 divisors (see below), whose sum is σ = 480322662400. Its totient is φ = 175459789440.

The previous prime is 311131413199. The next prime is 311131413217. The reversal of 311131413201 is 102314131113.

It is not a de Polignac number, because 311131413201 - 2¹ = 311131413199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (311131413001) 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, 3743070 + ... + 3825288.

It is an arithmetic number, because the mean of its divisors is an integer number (15010083200).

Almost surely, 2^311131413201 is an apocalyptic number.

It is an amenable number.

311131413201 is a deficient number, since it is larger than the sum of its proper divisors (169191249199).

311131413201 is a wasteful number, since it uses less digits than its factorization.

311131413201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84589.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 311131413201 its reverse (102314131113), we get a palindrome (413445544314).

The spelling of 311131413201 in words is "three hundred eleven billion, one hundred thirty-one million, four hundred thirteen thousand, two hundred one".