3215211064 has 16 divisors (see below), whose sum is σ = 6492253320. Its totient is φ = 1483943520.

The previous prime is 3215211061. The next prime is 3215211107. The reversal of 3215211064 is 4601125123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215211061) 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 3 ways as a sum of consecutive naturals, for example, 15457642 + ... + 15457849.

Almost surely, 2^3215211064 is an apocalyptic number.

It is an amenable number.

3215211064 is an abundant number, since it is smaller than the sum of its proper divisors (3277042256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215211064 is a wasteful number, since it uses less digits than its factorization.

3215211064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30915510 (or 30915506 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3215211064 is about 56702.8311815204. The cubic root of 3215211064 is about 1475.9438278381.

Adding to 3215211064 its reverse (4601125123), we get a palindrome (7816336187).

The spelling of 3215211064 in words is "three billion, two hundred fifteen million, two hundred eleven thousand, sixty-four".