3216151230421 has 8 divisors (see below), whose sum is σ = 3251967993344. Its totient is φ = 3180525490800.

The previous prime is 3216151230371. The next prime is 3216151230491. The reversal of 3216151230421 is 1240321516123.

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 3216151230421 - 2¹¹ = 3216151228373 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 (3216151230491) 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, 47721966 + ... + 47789311.

It is an arithmetic number, because the mean of its divisors is an integer number (406495999168).

Almost surely, 2^{3216151230421} is an apocalyptic number.

It is an amenable number.

3216151230421 is a deficient number, since it is larger than the sum of its proper divisors (35816762923).

3216151230421 is a wasteful number, since it uses less digits than its factorization.

3216151230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95511651.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 3216151230421 its reverse (1240321516123), we get a palindrome (4456472746544).

The spelling of 3216151230421 in words is "three trillion, two hundred sixteen billion, one hundred fifty-one million, two hundred thirty thousand, four hundred twenty-one".