2130340312 has 64 divisors (see below), whose sum is σ = 4337258400. Its totient is φ = 977264640.

The previous prime is 2130340309. The next prime is 2130340313. The reversal of 2130340312 is 2130430312.

It is a self number, because there is not a number n which added to its sum of digits gives 2130340312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130340313) 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, 882387 + ... + 884797.

Almost surely, 2^2130340312 is an apocalyptic number.

It is an amenable number.

2130340312 is an abundant number, since it is smaller than the sum of its proper divisors (2206918088).

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

2130340312 is a wasteful number, since it uses less digits than its factorization.

2130340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596 (or 2592 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2130340312 is about 46155.6097565616. The cubic root of 2130340312 is about 1286.7168705597.

Adding to 2130340312 its reverse (2130430312), we get a palindrome (4260770624).

Subtracting 2130340312 from its reverse (2130430312), we obtain a square (90000 = 300²).

The spelling of 2130340312 in words is "two billion, one hundred thirty million, three hundred forty thousand, three hundred twelve".