31100011120002 has 64 divisors (see below), whose sum is σ = 68520697989120. Its totient is φ = 9331747603200.

The previous prime is 31100011120001. The next prime is 31100011120007. The reversal of 31100011120002 is 20002111000113.

It is a self number, because there is not a number n which added to its sum of digits gives 31100011120002.

It is not an unprimeable number, because it can be changed into a prime (31100011120001) 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 31 ways as a sum of consecutive naturals, for example, 64415274 + ... + 64896282.

It is an arithmetic number, because the mean of its divisors is an integer number (1070635906080).

Almost surely, 2^{31100011120002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31100011120002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34260348994560).

31100011120002 is an abundant number, since it is smaller than the sum of its proper divisors (37420686869118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31100011120002 is a wasteful number, since it uses less digits than its factorization.

31100011120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490639.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 31100011120002 its reverse (20002111000113), we get a palindrome (51102122120115).

It can be divided in two parts, 311000111 and 20002, that added together give a palindrome (311020113).

The spelling of 31100011120002 in words is "thirty-one trillion, one hundred billion, eleven million, one hundred twenty thousand, two".