201310902 has 48 divisors (see below), whose sum is σ = 481205088. Its totient is φ = 60428160.

The previous prime is 201310897. The next prime is 201310961. The reversal of 201310902 is 209013102.

It is a happy number.

201310902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 898 + ... + 20085.

It is an arithmetic number, because the mean of its divisors is an integer number (10025106).

Almost surely, 2^201310902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201310902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240602544).

201310902 is an abundant number, since it is smaller than the sum of its proper divisors (279894186).

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

201310902 is a wasteful number, since it uses less digits than its factorization.

201310902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045 (or 21042 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 201310902 is about 14188.4073101952. The cubic root of 201310902 is about 586.0784664309.

The spelling of 201310902 in words is "two hundred one million, three hundred ten thousand, nine hundred two".