311430041030020 has 48 divisors (see below), whose sum is σ = 715978965014208. Its totient is φ = 112847120530560.

The previous prime is 311430041029949. The next prime is 311430041030033. The reversal of 311430041030020 is 20030140034113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 311430041029973 and 311430041030000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500982079 + ... + 2501106598.

It is an arithmetic number, because the mean of its divisors is an integer number (14916228437796).

Almost surely, 2^{311430041030020} is an apocalyptic number.

It is an amenable number.

311430041030020 is an abundant number, since it is smaller than the sum of its proper divisors (404548923984188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311430041030020 is a wasteful number, since it uses less digits than its factorization.

311430041030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002088980 (or 5002088978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 311430041030020 its reverse (20030140034113), we get a palindrome (331460181064133).

The spelling of 311430041030020 in words is "three hundred eleven trillion, four hundred thirty billion, forty-one million, thirty thousand, twenty".