3100111130020 has 24 divisors (see below), whose sum is σ = 6510631486968. Its totient is φ = 1239968620800.

The previous prime is 3100111129957. The next prime is 3100111130021. The reversal of 3100111130020 is 200311110013.

It can be written as a sum of positive squares in 4 ways, for example, as 165968241664 + 2934142888356 = 407392^2 + 1712934^2 .

It is a super-2 number, since 2×3100111130020² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3100111130021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4403641 + ... + 5058880.

It is an arithmetic number, because the mean of its divisors is an integer number (271276311957).

Almost surely, 2^{3100111130020} is an apocalyptic number.

It is an amenable number.

3100111130020 is an abundant number, since it is smaller than the sum of its proper divisors (3410520356948).

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

3100111130020 is a wasteful number, since it uses less digits than its factorization.

3100111130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478911 (or 9478909 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 3100111130020 its reverse (200311110013), we get a palindrome (3300422240033).

The spelling of 3100111130020 in words is "three trillion, one hundred billion, one hundred eleven million, one hundred thirty thousand, twenty".