2302131312 has 120 divisors (see below), whose sum is σ = 6951575904. Its totient is φ = 707000832.

The previous prime is 2302131289. The next prime is 2302131317. The reversal of 2302131312 is 2131312032.

2302131312 is digitally balanced in base 2, 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 not an unprimeable number, because it can be changed into a prime (2302131317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1491213 + ... + 1492755.

Almost surely, 2^2302131312 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 2302131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3475787952).

2302131312 is an abundant number, since it is smaller than the sum of its proper divisors (4649444592).

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

2302131312 is a wasteful number, since it uses less digits than its factorization.

2302131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2302131312 is about 47980.5305514643. The cubic root of 2302131312 is about 1320.4137270615.

Adding to 2302131312 its reverse (2131312032), we get a palindrome (4433443344).

The spelling of 2302131312 in words is "two billion, three hundred two million, one hundred thirty-one thousand, three hundred twelve".