3215323451 has 4 divisors (see below), whose sum is σ = 3231983352. Its totient is φ = 3198663552.

The previous prime is 3215323417. The next prime is 3215323477. The reversal of 3215323451 is 1543235123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3215323451 - 2¹⁰ = 3215322427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3215323411) 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, 8329661 + ... + 8330046.

It is an arithmetic number, because the mean of its divisors is an integer number (807995838).

Almost surely, 2^3215323451 is an apocalyptic number.

3215323451 is a deficient number, since it is larger than the sum of its proper divisors (16659901).

3215323451 is a wasteful number, since it uses less digits than its factorization.

3215323451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16659900.

The product of its digits is 10800, while the sum is 29.

The square root of 3215323451 is about 56703.8221903956. The cubic root of 3215323451 is about 1475.9610247357.

Adding to 3215323451 its reverse (1543235123), we get a palindrome (4758558574).

The spelling of 3215323451 in words is "three billion, two hundred fifteen million, three hundred twenty-three thousand, four hundred fifty-one".