2141312550 has 48 divisors (see below), whose sum is σ = 5718956880. Its totient is φ = 527091840.

The previous prime is 2141312549. The next prime is 2141312557. The reversal of 2141312550 is 552131412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141312550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141312557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547105 + ... + 551004.

It is an arithmetic number, because the mean of its divisors is an integer number (119144935).

Almost surely, 2^2141312550 is an apocalyptic number.

2141312550 is an abundant number, since it is smaller than the sum of its proper divisors (3577644330).

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

2141312550 is a wasteful number, since it uses less digits than its factorization.

2141312550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098137 (or 1098132 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2141312550 is about 46274.3184714805. The cubic root of 2141312550 is about 1288.9221511624.

Adding to 2141312550 its reverse (552131412), we get a palindrome (2693443962).

The spelling of 2141312550 in words is "two billion, one hundred forty-one million, three hundred twelve thousand, five hundred fifty".