2231253241550 has 48 divisors (see below), whose sum is σ = 4297974978960. Its totient is φ = 860774799360.

The previous prime is 2231253241537. The next prime is 2231253241559. The reversal of 2231253241550 is 551423521322.

It is a super-3 number, since 3×2231253241550³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231253241550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231253241559) 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, 466862 + ... + 2163438.

It is an arithmetic number, because the mean of its divisors is an integer number (89541145395).

Almost surely, 2^{2231253241550} is an apocalyptic number.

2231253241550 is a deficient number, since it is larger than the sum of its proper divisors (2066721737410).

2231253241550 is a wasteful number, since it uses less digits than its factorization.

2231253241550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697525 (or 1697520 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2231253241550 its reverse (551423521322), we get a palindrome (2782676762872).

The spelling of 2231253241550 in words is "two trillion, two hundred thirty-one billion, two hundred fifty-three million, two hundred forty-one thousand, five hundred fifty".