31424300342412 has 96 divisors (see below), whose sum is σ = 78024771804672. Its totient is φ = 9809352078336.

The previous prime is 31424300342411. The next prime is 31424300342563. The reversal of 31424300342412 is 21424300342413.

It is a super-2 number, since 2×31424300342412² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31424300342411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78199033 + ... + 78599855.

It is an arithmetic number, because the mean of its divisors is an integer number (812758039632).

Almost surely, 2^{31424300342412} 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 31424300342412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39012385902336).

31424300342412 is an abundant number, since it is smaller than the sum of its proper divisors (46600471462260).

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

31424300342412 is a wasteful number, since it uses less digits than its factorization.

31424300342412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402767 (or 402765 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31424300342412 its reverse (21424300342413), we get a palindrome (52848600684825).

Subtracting from 31424300342412 its reverse (21424300342413), we obtain a palindrome (9999999999999).

The spelling of 31424300342412 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred million, three hundred forty-two thousand, four hundred twelve".