31330221001102 has 16 divisors (see below), whose sum is σ = 49510235932560. Its totient is φ = 14828191221312.

The previous prime is 31330221001091. The next prime is 31330221001103. The reversal of 31330221001102 is 20110012203313.

It is a super-3 number, since 3×31330221001102³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 31330221001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330221001103) 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, 345503493 + ... + 345594160.

It is an arithmetic number, because the mean of its divisors is an integer number (3094389745785).

Almost surely, 2^{31330221001102} is an apocalyptic number.

31330221001102 is a deficient number, since it is larger than the sum of its proper divisors (18180014931458).

31330221001102 is a wasteful number, since it uses less digits than its factorization.

31330221001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691098867.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31330221001102 its reverse (20110012203313), we get a palindrome (51440233204415).

The spelling of 31330221001102 in words is "thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, one thousand, one hundred two".