31100000031230 has 16 divisors (see below), whose sum is σ = 60286153906944. Its totient is φ = 11483076934560.

The previous prime is 31100000031187. The next prime is 31100000031239. The reversal of 31100000031230 is 3213000000113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100000031239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119615384606 + ... + 119615384865.

It is an arithmetic number, because the mean of its divisors is an integer number (3767884619184).

Almost surely, 2^{31100000031230} is an apocalyptic number.

31100000031230 is a deficient number, since it is larger than the sum of its proper divisors (29186153875714).

31100000031230 is a wasteful number, since it uses less digits than its factorization.

31100000031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239230769491.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31100000031230 its reverse (3213000000113), we get a palindrome (34313000031343).

The spelling of 31100000031230 in words is "thirty-one trillion, one hundred billion, thirty-one thousand, two hundred thirty".