31200231230 has 16 divisors (see below), whose sum is σ = 64183332960. Its totient is φ = 10697222112.

The previous prime is 31200231211. The next prime is 31200231259. The reversal of 31200231230 is 3213200213.

It is a junction number, because it is equal to n+sod(n) for n = 31200231199 and 31200231208.

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 7 ways as a sum of consecutive naturals, for example, 222858725 + ... + 222858864.

It is an arithmetic number, because the mean of its divisors is an integer number (4011458310).

Almost surely, 2^31200231230 is an apocalyptic number.

31200231230 is an abundant number, since it is smaller than the sum of its proper divisors (32983101730).

31200231230 is a wasteful number, since it uses less digits than its factorization.

31200231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445717603.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31200231230 its reverse (3213200213), we get a palindrome (34413431443).

The spelling of 31200231230 in words is "thirty-one billion, two hundred million, two hundred thirty-one thousand, two hundred thirty".