4152021331 has 2 divisors, whose sum is σ = 4152021332. Its totient is φ = 4152021330.

The previous prime is 4152021329. The next prime is 4152021347. The reversal of 4152021331 is 1331202514.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4152021331 - 2¹ = 4152021329 is a prime.

It is a super-2 number, since 2×4152021331² = 34478562266158023122, which contains 22 as substring.

Together with 4152021329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4152021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076010665 + 2076010666.

It is an arithmetic number, because the mean of its divisors is an integer number (2076010666).

Almost surely, 2^4152021331 is an apocalyptic number.

4152021331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4152021331 is an equidigital number, since it uses as much as digits as its factorization.

4152021331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4152021331 is about 64436.1802949244. The cubic root of 4152021331 is about 1607.2614389758.

Adding to 4152021331 its reverse (1331202514), we get a palindrome (5483223845).

The spelling of 4152021331 in words is "four billion, one hundred fifty-two million, twenty-one thousand, three hundred thirty-one".