2151233210 has 32 divisors (see below), whose sum is σ = 4685713920. Its totient is φ = 694179072.

The previous prime is 2151233209. The next prime is 2151233213. The reversal of 2151233210 is 123321512.

It is not an unprimeable number, because it can be changed into a prime (2151233213) 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, 902690 + ... + 905069.

It is an arithmetic number, because the mean of its divisors is an integer number (146428560).

Almost surely, 2^2151233210 is an apocalyptic number.

2151233210 is an abundant number, since it is smaller than the sum of its proper divisors (2534480710).

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

2151233210 is a wasteful number, since it uses less digits than its factorization.

2151233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807790.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2151233210 is about 46381.3886165561. The cubic root of 2151233210 is about 1290.9096022477.

Adding to 2151233210 its reverse (123321512), we get a palindrome (2274554722).

The spelling of 2151233210 in words is "two billion, one hundred fifty-one million, two hundred thirty-three thousand, two hundred ten".