2151323213300 has 36 divisors (see below), whose sum is σ = 4669479324300. Its totient is φ = 860325054720.

The previous prime is 2151323213293. The next prime is 2151323213371. The reversal of 2151323213300 is 33123231512.

It can be written as a sum of positive squares in 6 ways, for example, as 63107468944 + 2088215744356 = 251212^2 + 1445066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2151323213300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2129075 + ... + 2972474.

Almost surely, 2^{2151323213300} is an apocalyptic number.

2151323213300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151323213300 is an abundant number, since it is smaller than the sum of its proper divisors (2518156111000).

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

2151323213300 is a wasteful number, since it uses less digits than its factorization.

2151323213300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105780 (or 5105773 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 2151323213300 its reverse (33123231512), we get a palindrome (2184446444812).

The spelling of 2151323213300 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-three million, two hundred thirteen thousand, three hundred".