31424011323012 has 288 divisors, whose sum is σ = 102420629176320. Its totient is φ = 7887297749760.

The previous prime is 31424011322993. The next prime is 31424011323017. The reversal of 31424011323012 is 21032311042413.

31424011323012 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 401 + 13 + 230 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (31424011323017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8765878 + ... + 11818994.

It is an arithmetic number, because the mean of its divisors is an integer number (355627184640).

Almost surely, 2^{31424011323012} 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 31424011323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51210314588160).

31424011323012 is an abundant number, since it is smaller than the sum of its proper divisors (70996617853308).

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

31424011323012 is a wasteful number, since it uses less digits than its factorization.

31424011323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053271 (or 3053266 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 31424011323012 its reverse (21032311042413), we get a palindrome (52456322365425).

The spelling of 31424011323012 in words is "thirty-one trillion, four hundred twenty-four billion, eleven million, three hundred twenty-three thousand, twelve".