31200014124 has 36 divisors (see below), whose sum is σ = 81586246560. Its totient is φ = 10041383520.

The previous prime is 31200014117. The next prime is 31200014221. The reversal of 31200014124 is 42141000213.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31200014097 and 31200014106.

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 11 ways as a sum of consecutive naturals, for example, 14941492 + ... + 14943579.

Almost surely, 2^31200014124 is an apocalyptic number.

It is an amenable number.

31200014124 is an abundant number, since it is smaller than the sum of its proper divisors (50386232436).

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

31200014124 is a wasteful number, since it uses less digits than its factorization.

31200014124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29885110 (or 29885105 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31200014124 its reverse (42141000213), we get a palindrome (73341014337).

The spelling of 31200014124 in words is "thirty-one billion, two hundred million, fourteen thousand, one hundred twenty-four".