311042603020 has 48 divisors (see below), whose sum is σ = 657969163488. Its totient is φ = 123509076480.

The previous prime is 311042602999. The next prime is 311042603041. The reversal of 311042603020 is 20306240113.

It is an interprime number because it is at equal distance from previous prime (311042602999) and next prime (311042603041).

It is a junction number, because it is equal to n+sod(n) for n = 311042602982 and 311042603000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961752 + ... + 2114368.

It is an arithmetic number, because the mean of its divisors is an integer number (13707690906).

Almost surely, 2^311042603020 is an apocalyptic number.

It is an amenable number.

311042603020 is an abundant number, since it is smaller than the sum of its proper divisors (346926560468).

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

311042603020 is a wasteful number, since it uses less digits than its factorization.

311042603020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153370 (or 153368 counting only the distinct ones).

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

Adding to 311042603020 its reverse (20306240113), we get a palindrome (331348843133).

The spelling of 311042603020 in words is "three hundred eleven billion, forty-two million, six hundred three thousand, twenty".