31452222010000 has 200 divisors, whose sum is σ = 83081862518688. Its totient is φ = 11435760000000.

The previous prime is 31452222009947. The next prime is 31452222010021. The reversal of 31452222010000 is 1022225413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-3 number, since 3×31452222010000³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1386098655 + ... + 1386121345.

Almost surely, 2^{31452222010000} 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 31452222010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41540931259344).

31452222010000 is an abundant number, since it is smaller than the sum of its proper divisors (51629640508688).

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

31452222010000 is a wasteful number, since it uses less digits than its factorization.

31452222010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35331 (or 35310 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 31452222010000 its reverse (1022225413), we get a palindrome (31453244235413).

The spelling of 31452222010000 in words is "thirty-one trillion, four hundred fifty-two billion, two hundred twenty-two million, ten thousand".