31421111411200 has 240 divisors, whose sum is σ = 88995517047360. Its totient is φ = 10769794744320.

The previous prime is 31421111411197. The next prime is 31421111411243. The reversal of 31421111411200 is 211411112413.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316507171 + ... + 316606429.

It is an arithmetic number, because the mean of its divisors is an integer number (370814654364).

Almost surely, 2^{31421111411200} 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 31421111411200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44497758523680).

31421111411200 is an abundant number, since it is smaller than the sum of its proper divisors (57574405636160).

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

31421111411200 is an equidigital number, since it uses as much as digits as its factorization.

31421111411200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102827 (or 102806 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 31421111411200 its reverse (211411112413), we get a palindrome (31632522523613).

The spelling of 31421111411200 in words is "thirty-one trillion, four hundred twenty-one billion, one hundred eleven million, four hundred eleven thousand, two hundred".