31200203102 has 8 divisors (see below), whose sum is σ = 47263674312. Its totient is φ = 15445645000.

The previous prime is 31200203057. The next prime is 31200203119. The reversal of 31200203102 is 20130200213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 77228024 + ... + 77228427.

It is an arithmetic number, because the mean of its divisors is an integer number (5907959289).

Almost surely, 2^31200203102 is an apocalyptic number.

31200203102 is a deficient number, since it is larger than the sum of its proper divisors (16063471210).

31200203102 is a wasteful number, since it uses less digits than its factorization.

31200203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154456554.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 31200203102 its reverse (20130200213), we get a palindrome (51330403315).

The spelling of 31200203102 in words is "thirty-one billion, two hundred million, two hundred three thousand, one hundred two".