4020332313 has 4 divisors (see below), whose sum is σ = 5360443088. Its totient is φ = 2680221540.

The previous prime is 4020332291. The next prime is 4020332317. The reversal of 4020332313 is 3132330204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4020332313 - 2¹⁸ = 4020070169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020332313.

It is not an unprimeable number, because it can be changed into a prime (4020332317) 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, 670055383 + ... + 670055388.

It is an arithmetic number, because the mean of its divisors is an integer number (1340110772).

Almost surely, 2^4020332313 is an apocalyptic number.

It is an amenable number.

4020332313 is a deficient number, since it is larger than the sum of its proper divisors (1340110775).

4020332313 is a wasteful number, since it uses less digits than its factorization.

4020332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340110774.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 4020332313 is about 63406.0905039887. The cubic root of 4020332313 is about 1590.0861355180.

Adding to 4020332313 its reverse (3132330204), we get a palindrome (7152662517).

The spelling of 4020332313 in words is "four billion, twenty million, three hundred thirty-two thousand, three hundred thirteen".