31003113103201 has 16 divisors (see below), whose sum is σ = 31888262064384. Its totient is φ = 30125629601424.

The previous prime is 31003113103199. The next prime is 31003113103223. The reversal of 31003113103201 is 10230131130013.

It is a cyclic number.

It is not a de Polignac number, because 31003113103201 - 2¹ = 31003113103199 is a prime.

It is a super-2 number, since 2×31003113103201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31003113103901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11542546 + ... + 13972708.

It is an arithmetic number, because the mean of its divisors is an integer number (1993016379024).

Almost surely, 2^{31003113103201} is an apocalyptic number.

It is an amenable number.

31003113103201 is a deficient number, since it is larger than the sum of its proper divisors (885148961183).

31003113103201 is a wasteful number, since it uses less digits than its factorization.

31003113103201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431740.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31003113103201 its reverse (10230131130013), we get a palindrome (41233244233214).

The spelling of 31003113103201 in words is "thirty-one trillion, three billion, one hundred thirteen million, one hundred three thousand, two hundred one".