3216103397 has 8 divisors (see below), whose sum is σ = 3476976216. Its totient is φ = 2957156352.

The previous prime is 3216103369. The next prime is 3216103399. The reversal of 3216103397 is 7933016123.

It can be written as a sum of positive squares in 4 ways, for example, as 1986128356 + 1229975041 = 44566^2 + 35071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3216103397 - 2⁸ = 3216103141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216103399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477968 + ... + 484649.

It is an arithmetic number, because the mean of its divisors is an integer number (434622027).

Almost surely, 2^3216103397 is an apocalyptic number.

It is an amenable number.

3216103397 is a deficient number, since it is larger than the sum of its proper divisors (260872819).

3216103397 is a wasteful number, since it uses less digits than its factorization.

3216103397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962887.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3216103397 is about 56710.6991404620. The cubic root of 3216103397 is about 1476.0803571395.

The spelling of 3216103397 in words is "three billion, two hundred sixteen million, one hundred three thousand, three hundred ninety-seven".