31116230 has 16 divisors (see below), whose sum is σ = 56525040. Its totient is φ = 12331872.

The previous prime is 31116227. The next prime is 31116251. The reversal of 31116230 is 3261113.

It is a junction number, because it is equal to n+sod(n) for n = 31116199 and 31116208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13184 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (3532815).

Almost surely, 2^31116230 is an apocalyptic number.

31116230 is a deficient number, since it is larger than the sum of its proper divisors (25408810).

31116230 is a wasteful number, since it uses less digits than its factorization.

31116230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28663.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 31116230 is about 5578.1923595373. The cubic root of 31116230 is about 314.5301806118.

Adding to 31116230 its reverse (3261113), we get a palindrome (34377343).

The spelling of 31116230 in words is "thirty-one million, one hundred sixteen thousand, two hundred thirty".