3215253134441 has 4 divisors (see below), whose sum is σ = 3215616983172. Its totient is φ = 3214889285712.

The previous prime is 3215253134347. The next prime is 3215253134459. The reversal of 3215253134441 is 1444313525123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2169125112025 + 1046128022416 = 1472795^2 + 1022804^2 .

It is a cyclic number.

It is not a de Polignac number, because 3215253134441 - 2³⁰ = 3214179392617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3215253134395 and 3215253134404.

It is not an unprimeable number, because it can be changed into a prime (3215253133441) 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, 181911110 + ... + 181928783.

It is an arithmetic number, because the mean of its divisors is an integer number (803904245793).

Almost surely, 2^{3215253134441} is an apocalyptic number.

It is an amenable number.

3215253134441 is a deficient number, since it is larger than the sum of its proper divisors (363848731).

3215253134441 is an equidigital number, since it uses as much as digits as its factorization.

3215253134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363848730.

The product of its digits is 172800, while the sum is 38.

Adding to 3215253134441 its reverse (1444313525123), we get a palindrome (4659566659564).

The spelling of 3215253134441 in words is "three trillion, two hundred fifteen billion, two hundred fifty-three million, one hundred thirty-four thousand, four hundred forty-one".