3215500101 has 36 divisors (see below), whose sum is σ = 5116145580. Its totient is φ = 1944624000.

The previous prime is 3215500097. The next prime is 3215500103. The reversal of 3215500101 is 1010055123.

It can be written as a sum of positive squares in 2 ways, for example, as 2954031201 + 261468900 = 54351^2 + 16170^2 .

It is not a de Polignac number, because 3215500101 - 2² = 3215500097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215500103) 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 35 ways as a sum of consecutive naturals, for example, 551401 + ... + 557201.

It is an arithmetic number, because the mean of its divisors is an integer number (142115155).

Almost surely, 2^3215500101 is an apocalyptic number.

It is an amenable number.

3215500101 is a deficient number, since it is larger than the sum of its proper divisors (1900645479).

3215500101 is a wasteful number, since it uses less digits than its factorization.

3215500101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6324 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 3215500101 is about 56705.3798241401. The cubic root of 3215500101 is about 1475.9880540267.

Adding to 3215500101 its reverse (1010055123), we get a palindrome (4225555224).

The spelling of 3215500101 in words is "three billion, two hundred fifteen million, five hundred thousand, one hundred one".