2021310104 has 64 divisors (see below), whose sum is σ = 4329642240. Its totient is φ = 875698560.

The previous prime is 2021310101. The next prime is 2021310107. The reversal of 2021310104 is 4010131202.

It is an interprime number because it is at equal distance from previous prime (2021310101) and next prime (2021310107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021310101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619742 + ... + 622994.

It is an arithmetic number, because the mean of its divisors is an integer number (67650660).

Almost surely, 2^2021310104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021310104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164821120).

2021310104 is an abundant number, since it is smaller than the sum of its proper divisors (2308332136).

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

2021310104 is a wasteful number, since it uses less digits than its factorization.

2021310104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2021310104 is about 44958.9824617951. The cubic root of 2021310104 is about 1264.3800915227.

Adding to 2021310104 its reverse (4010131202), we get a palindrome (6031441306).

The spelling of 2021310104 in words is "two billion, twenty-one million, three hundred ten thousand, one hundred four".