31031200103230 has 32 divisors (see below), whose sum is σ = 58343227300800. Its totient is φ = 11868109462272.

The previous prime is 31031200103207. The next prime is 31031200103287. The reversal of 31031200103230 is 3230100213013.

It is a junction number, because it is equal to n+sod(n) for n = 31031200103198 and 31031200103207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519407695 + ... + 519467434.

It is an arithmetic number, because the mean of its divisors is an integer number (1823225853150).

Almost surely, 2^{31031200103230} is an apocalyptic number.

31031200103230 is a deficient number, since it is larger than the sum of its proper divisors (27312027197570).

31031200103230 is a wasteful number, since it uses less digits than its factorization.

31031200103230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038875268.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31031200103230 its reverse (3230100213013), we get a palindrome (34261300316243).

The spelling of 31031200103230 in words is "thirty-one trillion, thirty-one billion, two hundred million, one hundred three thousand, two hundred thirty".