2151303500 has 48 divisors (see below), whose sum is σ = 4945755360. Its totient is φ = 815227200.

The previous prime is 2151303499. The next prime is 2151303527. The reversal of 2151303500 is 53031512.

It is a super-2 number, since 2×2151303500² = 9256213498224500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103727 + ... + 122726.

It is an arithmetic number, because the mean of its divisors is an integer number (103036570).

Almost surely, 2^2151303500 is an apocalyptic number.

2151303500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151303500 is an abundant number, since it is smaller than the sum of its proper divisors (2794451860).

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

2151303500 is a wasteful number, since it uses less digits than its factorization.

2151303500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226491 (or 226479 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 2151303500 is about 46382.1463496462. The cubic root of 2151303500 is about 1290.9236619426.

The spelling of 2151303500 in words is "two billion, one hundred fifty-one million, three hundred three thousand, five hundred".