31100101312000 has 160 divisors (see below), whose sum is σ = 88628625708480. Its totient is φ = 10662891724800.

The previous prime is 31100101311997. The next prime is 31100101312001. The reversal of 31100101312000 is 21310100113.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100101312001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34261935 + ... + 35157934.

It is an arithmetic number, because the mean of its divisors is an integer number (553928910678).

Almost surely, 2^{31100101312000} is an apocalyptic number.

It is an amenable number.

31100101312000 is an abundant number, since it is smaller than the sum of its proper divisors (57528524396480).

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

31100101312000 is an frugal number, since it uses more digits than its factorization.

31100101312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69419909 (or 69419883 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31100101312000 its reverse (21310100113), we get a palindrome (31121411412113).

The spelling of 31100101312000 in words is "thirty-one trillion, one hundred billion, one hundred one million, three hundred twelve thousand".