31241310114440 has 128 divisors (see below), whose sum is σ = 73584365137920. Its totient is φ = 11923353926400.

The previous prime is 31241310114407. The next prime is 31241310114461. The reversal of 31241310114440 is 4441101314213.

It is a happy number.

It is a super-2 number, since 2×31241310114440² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50224607 + ... + 50842833.

It is an arithmetic number, because the mean of its divisors is an integer number (574877852640).

Almost surely, 2^{31241310114440} 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 31241310114440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36792182568960).

31241310114440 is an abundant number, since it is smaller than the sum of its proper divisors (42343055023480).

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

31241310114440 is a wasteful number, since it uses less digits than its factorization.

31241310114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618843 (or 618839 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 31241310114440 its reverse (4441101314213), we get a palindrome (35682411428653).

The spelling of 31241310114440 in words is "thirty-one trillion, two hundred forty-one billion, three hundred ten million, one hundred fourteen thousand, four hundred forty".