31400211103040 has 224 divisors, whose sum is σ = 81043007189760. Its totient is φ = 11519225856000.

The previous prime is 31400211103013. The next prime is 31400211103049. The reversal of 31400211103040 is 4030111200413.

31400211103040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400211103049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894295085 + ... + 894330195.

It is an arithmetic number, because the mean of its divisors is an integer number (361799139240).

Almost surely, 2^{31400211103040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31400211103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40521503594880).

31400211103040 is an abundant number, since it is smaller than the sum of its proper divisors (49642796086720).

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

31400211103040 is a wasteful number, since it uses less digits than its factorization.

31400211103040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36521 (or 36511 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31400211103040 its reverse (4030111200413), we get a palindrome (35430322303453).

The spelling of 31400211103040 in words is "thirty-one trillion, four hundred billion, two hundred eleven million, one hundred three thousand, forty".