31022341400000 has 168 divisors, whose sum is σ = 78734464578000. Its totient is φ = 12120353280000.

The previous prime is 31022341399981. The next prime is 31022341400021. The reversal of 31022341400000 is 414322013.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6796376 + ... + 10403624.

It is an arithmetic number, because the mean of its divisors is an integer number (468657527250).

Almost surely, 2^{31022341400000} 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 31022341400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39367232289000).

31022341400000 is an abundant number, since it is smaller than the sum of its proper divisors (47712123178000).

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

31022341400000 is an frugal number, since it uses more digits than its factorization.

31022341400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607329 (or 3607299 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31022341400000 its reverse (414322013), we get a palindrome (31022755722013).

The spelling of 31022341400000 in words is "thirty-one trillion, twenty-two billion, three hundred forty-one million, four hundred thousand".