31103000232 has 32 divisors (see below), whose sum is σ = 78279372000. Its totient is φ = 10298083904.

The previous prime is 31103000219. The next prime is 31103000237. The reversal of 31103000232 is 23200030113.

It is not an unprimeable number, because it can be changed into a prime (31103000237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4345278 + ... + 4352429.

It is an arithmetic number, because the mean of its divisors is an integer number (2446230375).

Almost surely, 2^31103000232 is an apocalyptic number.

It is an amenable number.

31103000232 is an abundant number, since it is smaller than the sum of its proper divisors (47176371768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103000232 is a wasteful number, since it uses less digits than its factorization.

31103000232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697865 (or 8697861 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31103000232 its reverse (23200030113), we get a palindrome (54303030345).

The spelling of 31103000232 in words is "thirty-one billion, one hundred three million, two hundred thirty-two", and thus it is an aban number.