3213153520 has 40 divisors (see below), whose sum is σ = 7482355920. Its totient is φ = 1283235840.

The previous prime is 3213153509. The next prime is 3213153529. The reversal of 3213153520 is 253513123.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213153529) 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 7 ways as a sum of consecutive naturals, for example, 19951 + ... + 82609.

It is an arithmetic number, because the mean of its divisors is an integer number (187058898).

Almost surely, 2^3213153520 is an apocalyptic number.

It is an amenable number.

3213153520 is an abundant number, since it is smaller than the sum of its proper divisors (4269202400).

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

3213153520 is a wasteful number, since it uses less digits than its factorization.

3213153520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63313 (or 63307 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 3213153520 is about 56684.6850569005. The cubic root of 3213153520 is about 1475.6289218768.

Adding to 3213153520 its reverse (253513123), we get a palindrome (3466666643).

The spelling of 3213153520 in words is "three billion, two hundred thirteen million, one hundred fifty-three thousand, five hundred twenty".