2151342330 has 32 divisors (see below), whose sum is σ = 5167900224. Its totient is φ = 573171456.

The previous prime is 2151342301. The next prime is 2151342341. The reversal of 2151342330 is 332431512.

It is a self number, because there is not a number n which added to its sum of digits gives 2151342330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1762 + ... + 65618.

It is an arithmetic number, because the mean of its divisors is an integer number (161496882).

Almost surely, 2^2151342330 is an apocalyptic number.

2151342330 is an abundant number, since it is smaller than the sum of its proper divisors (3016557894).

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

2151342330 is a wasteful number, since it uses less digits than its factorization.

2151342330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64990.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2151342330 is about 46382.5649355445. The cubic root of 2151342330 is about 1290.9314287476.

Adding to 2151342330 its reverse (332431512), we get a palindrome (2483773842).

The spelling of 2151342330 in words is "two billion, one hundred fifty-one million, three hundred forty-two thousand, three hundred thirty".