31203124132 has 12 divisors (see below), whose sum is σ = 54714030336. Its totient is φ = 15570544040.

The previous prime is 31203124103. The next prime is 31203124163. The reversal of 31203124132 is 23142130213.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7752244 + ... + 7756267.

It is an arithmetic number, because the mean of its divisors is an integer number (4559502528).

Almost surely, 2^31203124132 is an apocalyptic number.

It is an amenable number.

31203124132 is a deficient number, since it is larger than the sum of its proper divisors (23510906204).

31203124132 is a wasteful number, since it uses less digits than its factorization.

31203124132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15509018 (or 15509016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31203124132 its reverse (23142130213), we get a palindrome (54345254345).

The spelling of 31203124132 in words is "thirty-one billion, two hundred three million, one hundred twenty-four thousand, one hundred thirty-two".