3212431345 has 8 divisors (see below), whose sum is σ = 3885272064. Its totient is φ = 2549708784.

The previous prime is 3212431337. The next prime is 3212431399. The reversal of 3212431345 is 5431342123.

It is a happy number.

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 3212431345 - 2³ = 3212431337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528839 + ... + 2530108.

It is an arithmetic number, because the mean of its divisors is an integer number (485659008).

Almost surely, 2^3212431345 is an apocalyptic number.

It is an amenable number.

3212431345 is a deficient number, since it is larger than the sum of its proper divisors (672840719).

3212431345 is a wasteful number, since it uses less digits than its factorization.

3212431345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059079.

The product of its digits is 8640, while the sum is 28.

The square root of 3212431345 is about 56678.3145920907. The cubic root of 3212431345 is about 1475.5183615236.

Adding to 3212431345 its reverse (5431342123), we get a palindrome (8643773468).

The spelling of 3212431345 in words is "three billion, two hundred twelve million, four hundred thirty-one thousand, three hundred forty-five".