31402124214344 has 64 divisors (see below), whose sum is σ = 64375183177200. Its totient is φ = 14272856764416.

The previous prime is 31402124214343. The next prime is 31402124214347. The reversal of 31402124214344 is 44341242120413.

It can be written as a sum of positive squares in 8 ways, for example, as 16601468760100 + 14800655454244 = 4074490^2 + 3847162^2 .

It is not an unprimeable number, because it can be changed into a prime (31402124214343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790492 + ... + 8124660.

Almost surely, 2^{31402124214344} 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 31402124214344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32187591588600).

31402124214344 is an abundant number, since it is smaller than the sum of its proper divisors (32973058962856).

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

31402124214344 is a wasteful number, since it uses less digits than its factorization.

31402124214344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334914 (or 6334910 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 31402124214344 its reverse (44341242120413), we get a palindrome (75743366334757).

The spelling of 31402124214344 in words is "thirty-one trillion, four hundred two billion, one hundred twenty-four million, two hundred fourteen thousand, three hundred forty-four".