2151304030252 has 48 divisors (see below), whose sum is σ = 4269359172960. Its totient is φ = 940300697088.

The previous prime is 2151304030217. The next prime is 2151304030277. The reversal of 2151304030252 is 2520304031512.

It is a self number, because there is not a number n which added to its sum of digits gives 2151304030252.

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, 2256408 + ... + 3064960.

It is an arithmetic number, because the mean of its divisors is an integer number (88944982770).

Almost surely, 2^{2151304030252} is an apocalyptic number.

It is an amenable number.

2151304030252 is a deficient number, since it is larger than the sum of its proper divisors (2118055142708).

2151304030252 is a wasteful number, since it uses less digits than its factorization.

2151304030252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811282 (or 811280 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 2151304030252 its reverse (2520304031512), we get a palindrome (4671608061764).

The spelling of 2151304030252 in words is "two trillion, one hundred fifty-one billion, three hundred four million, thirty thousand, two hundred fifty-two".