31200332103 has 12 divisors (see below), whose sum is σ = 46285177848. Its totient is φ = 20238053040.

The previous prime is 31200332089. The next prime is 31200332131. The reversal of 31200332103 is 30123300213.

31200332103 is a `hidden beast` number, since 31 + 200 + 332 + 103 = 666.

It is not a de Polignac number, because 31200332103 - 2⁶ = 31200332039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200332183) 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 11 ways as a sum of consecutive naturals, for example, 46847013 + ... + 46847678.

It is an arithmetic number, because the mean of its divisors is an integer number (3857098154).

Almost surely, 2^31200332103 is an apocalyptic number.

31200332103 is a deficient number, since it is larger than the sum of its proper divisors (15084845745).

31200332103 is a wasteful number, since it uses less digits than its factorization.

31200332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93694734 (or 93694731 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31200332103 its reverse (30123300213), we get a palindrome (61323632316).

The spelling of 31200332103 in words is "thirty-one billion, two hundred million, three hundred thirty-two thousand, one hundred three".