202104312 has 64 divisors (see below), whose sum is σ = 532224000. Its totient is φ = 63828864.

The previous prime is 202104307. The next prime is 202104319. The reversal of 202104312 is 213401202.

It is a junction number, because it is equal to n+sod(n) for n = 202104291 and 202104300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202104319) 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, 58489 + ... + 61847.

It is an arithmetic number, because the mean of its divisors is an integer number (8316000).

Almost surely, 2^202104312 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 202104312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266112000).

202104312 is an abundant number, since it is smaller than the sum of its proper divisors (330119688).

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

202104312 is a wasteful number, since it uses less digits than its factorization.

202104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202104312 is about 14216.3396132760. The cubic root of 202104312 is about 586.8474113087.

Adding to 202104312 its reverse (213401202), we get a palindrome (415505514).

It can be divided in two parts, 2021043 and 12, that added together give a triangular number (2021055 = T₂₀₁₀).

The spelling of 202104312 in words is "two hundred two million, one hundred four thousand, three hundred twelve".