31112102 has 8 divisors (see below), whose sum is σ = 53335056. Its totient is φ = 13333752.

The previous prime is 31112093. The next prime is 31112119. The reversal of 31112102 is 20121113.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111133 + ... + 1111160.

It is an arithmetic number, because the mean of its divisors is an integer number (6666882).

Almost surely, 2^31112102 is an apocalyptic number.

31112102 is a deficient number, since it is larger than the sum of its proper divisors (22222954).

31112102 is a wasteful number, since it uses less digits than its factorization.

31112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222302.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 31112102 is about 5577.8223349261. The cubic root of 31112102 is about 314.5162710646.

Adding to 31112102 its reverse (20121113), we get a palindrome (51233215).

The spelling of 31112102 in words is "thirty-one million, one hundred twelve thousand, one hundred two".