311200310132 has 12 divisors (see below), whose sum is σ = 576635868900. Its totient is φ = 146447204736.

The previous prime is 311200310107. The next prime is 311200310143. The reversal of 311200310132 is 231013002113.

It can be written as a sum of positive squares in 2 ways, for example, as 244308764176 + 66891545956 = 494276^2 + 258634^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 311200310132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288237507 + ... + 2288237642.

It is an arithmetic number, because the mean of its divisors is an integer number (48052989075).

Almost surely, 2^311200310132 is an apocalyptic number.

It is an amenable number.

311200310132 is a deficient number, since it is larger than the sum of its proper divisors (265435558768).

311200310132 is a wasteful number, since it uses less digits than its factorization.

311200310132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576475170 (or 4576475168 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311200310132 its reverse (231013002113), we get a palindrome (542213312245).

The spelling of 311200310132 in words is "three hundred eleven billion, two hundred million, three hundred ten thousand, one hundred thirty-two".