2151233013 has 4 divisors (see below), whose sum is σ = 2868310688. Its totient is φ = 1434155340.

The previous prime is 2151233011. The next prime is 2151233027. The reversal of 2151233013 is 3103321512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2151233013 - 2¹ = 2151233011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151233011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358538833 + ... + 358538838.

It is an arithmetic number, because the mean of its divisors is an integer number (717077672).

Almost surely, 2^2151233013 is an apocalyptic number.

It is an amenable number.

2151233013 is a deficient number, since it is larger than the sum of its proper divisors (717077675).

2151233013 is an equidigital number, since it uses as much as digits as its factorization.

2151233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717077674.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2151233013 is about 46381.3864928594. The cubic root of 2151233013 is about 1290.9095628425.

Adding to 2151233013 its reverse (3103321512), we get a palindrome (5254554525).

The spelling of 2151233013 in words is "two billion, one hundred fifty-one million, two hundred thirty-three thousand, thirteen".