2231034345 has 24 divisors (see below), whose sum is σ = 3902613000. Its totient is φ = 1178966016.

The previous prime is 2231034343. The next prime is 2231034361. The reversal of 2231034345 is 5434301322.

2231034345 is a `hidden beast` number, since 2 + 2 + 310 + 3 + 4 + 345 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 72131049 + 2158903296 = 8493^2 + 46464^2 .

It is not a de Polignac number, because 2231034345 - 2¹ = 2231034343 is a prime.

It is a super-3 number, since 3×2231034345³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2231034343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222520 + ... + 232329.

It is an arithmetic number, because the mean of its divisors is an integer number (162608875).

Almost surely, 2^2231034345 is an apocalyptic number.

It is an amenable number.

2231034345 is a deficient number, since it is larger than the sum of its proper divisors (1671578655).

2231034345 is a wasteful number, since it uses less digits than its factorization.

2231034345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454969 (or 454966 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2231034345 is about 47233.8262794790. The cubic root of 2231034345 is about 1306.6785200909.

Adding to 2231034345 its reverse (5434301322), we get a palindrome (7665335667).

The spelling of 2231034345 in words is "two billion, two hundred thirty-one million, thirty-four thousand, three hundred forty-five".