31113103013030 has 16 divisors (see below), whose sum is σ = 56058870323664. Its totient is φ = 12432955671840.

The previous prime is 31113103012987. The next prime is 31113103013039. The reversal of 31113103013030 is 3031030131113.

It is a junction number, because it is equal to n+sod(n) for n = 31113103012993 and 31113103013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113103013039) 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 7 ways as a sum of consecutive naturals, for example, 1535681036 + ... + 1535701295.

It is an arithmetic number, because the mean of its divisors is an integer number (3503679395229).

Almost surely, 2^{31113103013030} is an apocalyptic number.

31113103013030 is a deficient number, since it is larger than the sum of its proper divisors (24945767310634).

31113103013030 is a wasteful number, since it uses less digits than its factorization.

31113103013030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071383351.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 31113103013030 its reverse (3031030131113), we get a palindrome (34144133144143).

The spelling of 31113103013030 in words is "thirty-one trillion, one hundred thirteen billion, one hundred three million, thirteen thousand, thirty".