2231420353 has 4 divisors (see below), whose sum is σ = 2248990720. Its totient is φ = 2213849988.

The previous prime is 2231420351. The next prime is 2231420369. The reversal of 2231420353 is 3530241322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3530241322 = 2 ⋅1765120661.

It is a cyclic number.

It is not a de Polignac number, because 2231420353 - 2¹ = 2231420351 is a prime.

It is a super-3 number, since 3×2231420353³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231420351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8784993 + ... + 8785246.

It is an arithmetic number, because the mean of its divisors is an integer number (562247680).

Almost surely, 2^2231420353 is an apocalyptic number.

It is an amenable number.

2231420353 is a deficient number, since it is larger than the sum of its proper divisors (17570367).

2231420353 is a wasteful number, since it uses less digits than its factorization.

2231420353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17570366.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2231420353 is about 47237.9122421811. The cubic root of 2231420353 is about 1306.7538751651.

Adding to 2231420353 its reverse (3530241322), we get a palindrome (5761661675).

The spelling of 2231420353 in words is "two billion, two hundred thirty-one million, four hundred twenty thousand, three hundred fifty-three".