2130021351 has 24 divisors (see below), whose sum is σ = 3112453344. Its totient is φ = 1403550720.

The previous prime is 2130021347. The next prime is 2130021359. The reversal of 2130021351 is 1531200312.

It is not a de Polignac number, because 2130021351 - 2² = 2130021347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130021359) 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, 1152310 + ... + 1154156.

It is an arithmetic number, because the mean of its divisors is an integer number (129685556).

Almost surely, 2^2130021351 is an apocalyptic number.

2130021351 is a deficient number, since it is larger than the sum of its proper divisors (982431993).

2130021351 is a wasteful number, since it uses less digits than its factorization.

2130021351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2130021351 is about 46152.1543484158. The cubic root of 2130021351 is about 1286.6526503062.

Adding to 2130021351 its reverse (1531200312), we get a palindrome (3661221663).

The spelling of 2130021351 in words is "two billion, one hundred thirty million, twenty-one thousand, three hundred fifty-one".