31114005 has 32 divisors (see below), whose sum is σ = 53880960. Its totient is φ = 15240960.

The previous prime is 31113967. The next prime is 31114007. The reversal of 31114005 is 50041113.

It is not a de Polignac number, because 31114005 - 2⁸ = 31113749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31114007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73695 + ... + 74115.

It is an arithmetic number, because the mean of its divisors is an integer number (1683780).

Almost surely, 2^31114005 is an apocalyptic number.

It is an amenable number.

31114005 is a deficient number, since it is larger than the sum of its proper divisors (22766955).

31114005 is a wasteful number, since it uses less digits than its factorization.

31114005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 31114005 is about 5577.9929186043. The cubic root of 31114005 is about 314.5226834917.

Adding to 31114005 its reverse (50041113), we get a palindrome (81155118).

The spelling of 31114005 in words is "thirty-one million, one hundred fourteen thousand, five".