31003230112 has 24 divisors (see below), whose sum is σ = 61041568896. Its totient is φ = 15500609472.

The previous prime is 31003230109. The next prime is 31003230127. The reversal of 31003230112 is 21103230013.

It is a super-2 number, since 2×31003230112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 849423 + ... + 885169.

It is an arithmetic number, because the mean of its divisors is an integer number (2543398704).

Almost surely, 2^31003230112 is an apocalyptic number.

31003230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31003230112 is a deficient number, since it is larger than the sum of its proper divisors (30038338784).

31003230112 is a wasteful number, since it uses less digits than its factorization.

31003230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62860 (or 62852 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31003230112 its reverse (21103230013), we get a palindrome (52106460125).

Subtracting from 31003230112 its reverse (21103230013), we obtain a palindrome (9900000099).

The spelling of 31003230112 in words is "thirty-one billion, three million, two hundred thirty thousand, one hundred twelve".