4631331 has 4 divisors (see below), whose sum is σ = 6175112. Its totient is φ = 3087552.

The previous prime is 4631311. The next prime is 4631351. The reversal of 4631331 is 1331364.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4631311) and next prime (4631351).

It is not a de Polignac number, because 4631331 - 2⁷ = 4631203 is a prime.

It is a super-2 number, since 2×4631331² = 42898453663122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4631298 and 4631307.

It is not an unprimeable number, because it can be changed into a prime (4631311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771886 + ... + 771891.

It is an arithmetic number, because the mean of its divisors is an integer number (1543778).

Almost surely, 2^4631331 is an apocalyptic number.

4631331 is a deficient number, since it is larger than the sum of its proper divisors (1543781).

4631331 is a wasteful number, since it uses less digits than its factorization.

4631331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543780.

The product of its digits is 648, while the sum is 21.

The square root of 4631331 is about 2152.0527409894. The cubic root of 4631331 is about 166.6870806106.

Adding to 4631331 its reverse (1331364), we get a palindrome (5962695).

The spelling of 4631331 in words is "four million, six hundred thirty-one thousand, three hundred thirty-one".