31300120203 has 8 divisors (see below), whose sum is σ = 45527447616. Its totient is φ = 18969769800.

The previous prime is 31300120171. The next prime is 31300120213. The reversal of 31300120203 is 30202100313.

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

It is not a de Polignac number, because 31300120203 - 2⁵ = 31300120171 is a prime.

It is a super-2 number, since 2×31300120203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31300120213) 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, 474244213 + ... + 474244278.

It is an arithmetic number, because the mean of its divisors is an integer number (5690930952).

Almost surely, 2^31300120203 is an apocalyptic number.

31300120203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31300120203 is a deficient number, since it is larger than the sum of its proper divisors (14227327413).

31300120203 is a wasteful number, since it uses less digits than its factorization.

31300120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948488505.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31300120203 its reverse (30202100313), we get a palindrome (61502220516).

The spelling of 31300120203 in words is "thirty-one billion, three hundred million, one hundred twenty thousand, two hundred three".