2231243242355 has 16 divisors (see below), whose sum is σ = 2751775814304. Its totient is φ = 1735539321600.

The previous prime is 2231243242237. The next prime is 2231243242357. The reversal of 2231243242355 is 5532423421322.

It is a happy number.

It is not a de Polignac number, because 2231243242355 - 2²⁰ = 2231242193779 is a prime.

It is a super-3 number, since 3×2231243242355³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231243242357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3943121 + ... + 4473330.

It is an arithmetic number, because the mean of its divisors is an integer number (171985988394).

Almost surely, 2^{2231243242355} is an apocalyptic number.

2231243242355 is a deficient number, since it is larger than the sum of its proper divisors (520532571949).

2231243242355 is a wasteful number, since it uses less digits than its factorization.

2231243242355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417926.

The product of its digits is 345600, while the sum is 38.

Adding to 2231243242355 its reverse (5532423421322), we get a palindrome (7763666663677).

The spelling of 2231243242355 in words is "two trillion, two hundred thirty-one billion, two hundred forty-three million, two hundred forty-two thousand, three hundred fifty-five".