2131203102 has 64 divisors (see below), whose sum is σ = 4968552960. Its totient is φ = 596883456.

The previous prime is 2131203091. The next prime is 2131203149. The reversal of 2131203102 is 2013021312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433474 + ... + 438362.

It is an arithmetic number, because the mean of its divisors is an integer number (77633640).

Almost surely, 2^2131203102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131203102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2484276480).

2131203102 is an abundant number, since it is smaller than the sum of its proper divisors (2837349858).

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

2131203102 is a wasteful number, since it uses less digits than its factorization.

2131203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131203102 is about 46164.9553449367. The cubic root of 2131203102 is about 1286.8905543296.

Adding to 2131203102 its reverse (2013021312), we get a palindrome (4144224414).

The spelling of 2131203102 in words is "two billion, one hundred thirty-one million, two hundred three thousand, one hundred two".