2205143213431 has 8 divisors (see below), whose sum is σ = 2222158975344. Its totient is φ = 2188130218560.

The previous prime is 2205143213419. The next prime is 2205143213467. The reversal of 2205143213431 is 1343123415022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205143213431 - 2²¹ = 2205141116279 is a prime.

It is a super-2 number, since 2×2205143213431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2205143213393 and 2205143213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205143213731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922731 + ... + 2293843.

It is an arithmetic number, because the mean of its divisors is an integer number (277769871918).

Almost surely, 2^{2205143213431} is an apocalyptic number.

2205143213431 is a deficient number, since it is larger than the sum of its proper divisors (17015761913).

2205143213431 is a wasteful number, since it uses less digits than its factorization.

2205143213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383521.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2205143213431 its reverse (1343123415022), we get a palindrome (3548266628453).

The spelling of 2205143213431 in words is "two trillion, two hundred five billion, one hundred forty-three million, two hundred thirteen thousand, four hundred thirty-one".