3216420151 has 4 divisors (see below), whose sum is σ = 3675908752. Its totient is φ = 2756931552.

The previous prime is 3216420143. The next prime is 3216420241. The reversal of 3216420151 is 1510246123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1510246123 = 4507 ⋅335089.

It is a cyclic number.

It is not a de Polignac number, because 3216420151 - 2³ = 3216420143 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 (3216424151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229744290 + ... + 229744303.

It is an arithmetic number, because the mean of its divisors is an integer number (918977188).

Almost surely, 2^3216420151 is an apocalyptic number.

3216420151 is a deficient number, since it is larger than the sum of its proper divisors (459488601).

3216420151 is an equidigital number, since it uses as much as digits as its factorization.

3216420151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459488600.

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

The square root of 3216420151 is about 56713.4917898731. The cubic root of 3216420151 is about 1476.1288152632.

Adding to 3216420151 its reverse (1510246123), we get a palindrome (4726666274).

The spelling of 3216420151 in words is "three billion, two hundred sixteen million, four hundred twenty thousand, one hundred fifty-one".