2152320342 has 32 divisors (see below), whose sum is σ = 4575217920. Its totient is φ = 673077600.

The previous prime is 2152320337. The next prime is 2152320349. The reversal of 2152320342 is 2430232512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152320349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79909 + ... + 103392.

It is an arithmetic number, because the mean of its divisors is an integer number (142975560).

Almost surely, 2^2152320342 is an apocalyptic number.

2152320342 is an abundant number, since it is smaller than the sum of its proper divisors (2422897578).

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

2152320342 is a wasteful number, since it uses less digits than its factorization.

2152320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183428.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2152320342 is about 46393.1066215661. The cubic root of 2152320342 is about 1291.1270206096.

Adding to 2152320342 its reverse (2430232512), we get a palindrome (4582552854).

The spelling of 2152320342 in words is "two billion, one hundred fifty-two million, three hundred twenty thousand, three hundred forty-two".