31200200030 has 16 divisors (see below), whose sum is σ = 56395344960. Its totient is φ = 12427861152.

The previous prime is 31200199999. The next prime is 31200200033. The reversal of 31200200030 is 3000200213.

It is a junction number, because it is equal to n+sod(n) for n = 31200199984 and 31200200020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200200033) 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, 6524849 + ... + 6529628.

It is an arithmetic number, because the mean of its divisors is an integer number (3524709060).

Almost surely, 2^31200200030 is an apocalyptic number.

31200200030 is a deficient number, since it is larger than the sum of its proper divisors (25195144930).

31200200030 is a wasteful number, since it uses less digits than its factorization.

31200200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054723.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 31200200030 its reverse (3000200213), we get a palindrome (34200400243).

The spelling of 31200200030 in words is "thirty-one billion, two hundred million, two hundred thousand, thirty".