31203201113 has 8 divisors (see below), whose sum is σ = 35661937920. Its totient is φ = 26744748480.

The previous prime is 31203201109. The next prime is 31203201121. The reversal of 31203201113 is 31110230213.

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

It is a cyclic number.

It is not a de Polignac number, because 31203201113 - 2² = 31203201109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31203201091 and 31203201100.

It is not an unprimeable number, because it can be changed into a prime (31203201013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279728 + ... + 375038.

It is an arithmetic number, because the mean of its divisors is an integer number (4457742240).

Almost surely, 2^31203201113 is an apocalyptic number.

It is an amenable number.

31203201113 is a deficient number, since it is larger than the sum of its proper divisors (4458736807).

31203201113 is an equidigital number, since it uses as much as digits as its factorization.

31203201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142087.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31203201113 its reverse (31110230213), we get a palindrome (62313431326).

The spelling of 31203201113 in words is "thirty-one billion, two hundred three million, two hundred one thousand, one hundred thirteen".