31244200150212 has 120 divisors (see below), whose sum is σ = 93367180353216. Its totient is φ = 8924971977792.

The previous prime is 31244200150201. The next prime is 31244200150271. The reversal of 31244200150212 is 21205100244213.

31244200150212 is a `hidden beast` number, since 3 + 1 + 2 + 442 + 0 + 0 + 1 + 5 + 0 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 8943178 + ... + 11936030.

Almost surely, 2^{31244200150212} 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 31244200150212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46683590176608).

31244200150212 is an abundant number, since it is smaller than the sum of its proper divisors (62122980203004).

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

31244200150212 is a wasteful number, since it uses less digits than its factorization.

31244200150212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997479 (or 2997468 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 31244200150212 its reverse (21205100244213), we get a palindrome (52449300394425).

The spelling of 31244200150212 in words is "thirty-one trillion, two hundred forty-four billion, two hundred million, one hundred fifty thousand, two hundred twelve".