5031111 has 4 divisors (see below), whose sum is σ = 6708152. Its totient is φ = 3354072.

The previous prime is 5031101. The next prime is 5031121. The reversal of 5031111 is 1111305.

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 (5031101) and next prime (5031121).

It is not a de Polignac number, because 5031111 - 2¹⁰ = 5030087 is a prime.

It is a D-number.

It is a Duffinian number.

5031111 is a modest number, since divided by 1111 gives 503 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031101) 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, 838516 + ... + 838521.

It is an arithmetic number, because the mean of its divisors is an integer number (1677038).

Almost surely, 2^5031111 is an apocalyptic number.

5031111 is a deficient number, since it is larger than the sum of its proper divisors (1677041).

5031111 is a wasteful number, since it uses less digits than its factorization.

5031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677040.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 5031111 is about 2243.0138207332. The cubic root of 5031111 is about 171.3515220218.

Adding to 5031111 its reverse (1111305), we get a palindrome (6142416).

The spelling of 5031111 in words is "five million, thirty-one thousand, one hundred eleven".