31114121 has 8 divisors (see below), whose sum is σ = 32019624. Its totient is φ = 30215680.

The previous prime is 31114099. The next prime is 31114157. The reversal of 31114121 is 12141113.

It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 30415225 = 836^2 + 5515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31114121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31114096 and 31114105.

It is not an unprimeable number, because it can be changed into a prime (31114621) 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 7 ways as a sum of consecutive naturals, for example, 7925 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (4002453).

Almost surely, 2^31114121 is an apocalyptic number.

It is an amenable number.

31114121 is a deficient number, since it is larger than the sum of its proper divisors (905503).

31114121 is a wasteful number, since it uses less digits than its factorization.

31114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531.

The product of its digits is 24, while the sum is 14.

The square root of 31114121 is about 5578.0033165999. The cubic root of 31114121 is about 314.5230743617.

Adding to 31114121 its reverse (12141113), we get a palindrome (43255234).

The spelling of 31114121 in words is "thirty-one million, one hundred fourteen thousand, one hundred twenty-one".