31011312230 has 8 divisors (see below), whose sum is σ = 55820362032. Its totient is φ = 12404524888.

The previous prime is 31011312221. The next prime is 31011312253. The reversal of 31011312230 is 3221311013.

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

It is a junction number, because it is equal to n+sod(n) for n = 31011312199 and 31011312208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550565602 + ... + 1550565621.

It is an arithmetic number, because the mean of its divisors is an integer number (6977545254).

Almost surely, 2^31011312230 is an apocalyptic number.

31011312230 is a deficient number, since it is larger than the sum of its proper divisors (24809049802).

31011312230 is a wasteful number, since it uses less digits than its factorization.

31011312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101131230.

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

Adding to 31011312230 its reverse (3221311013), we get a palindrome (34232623243).

The spelling of 31011312230 in words is "thirty-one billion, eleven million, three hundred twelve thousand, two hundred thirty".