311000210012020 has 24 divisors (see below), whose sum is σ = 657107192204064. Its totient is φ = 123636893304096.

The previous prime is 311000210011969. The next prime is 311000210012033. The reversal of 311000210012020 is 20210012000113.

It is a super-2 number, since 2×311000210012020² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47699415454 + ... + 47699421973.

It is an arithmetic number, because the mean of its divisors is an integer number (27379466341836).

Almost surely, 2^{311000210012020} is an apocalyptic number.

It is an amenable number.

311000210012020 is an abundant number, since it is smaller than the sum of its proper divisors (346106982192044).

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

311000210012020 is a wasteful number, since it uses less digits than its factorization.

311000210012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95398837599 (or 95398837597 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 311000210012020 its reverse (20210012000113), we get a palindrome (331210222012133).

The spelling of 311000210012020 in words is "three hundred eleven trillion, two hundred ten million, twelve thousand, twenty".