31334244430340 has 12 divisors (see below), whose sum is σ = 65801913303756. Its totient is φ = 12533697772128.

The previous prime is 31334244430327. The next prime is 31334244430343. The reversal of 31334244430340 is 4303444243313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16962684742084 + 14371559688256 = 4118578^2 + 3790984^2 .

It is a super-2 number, since 2×31334244430340² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31334244430294 and 31334244430303.

It is not an unprimeable number, because it can be changed into a prime (31334244430343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783356110739 + ... + 783356110778.

It is an arithmetic number, because the mean of its divisors is an integer number (5483492775313).

Almost surely, 2^{31334244430340} is an apocalyptic number.

It is an amenable number.

31334244430340 is an abundant number, since it is smaller than the sum of its proper divisors (34467668873416).

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

31334244430340 is a wasteful number, since it uses less digits than its factorization.

31334244430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566712221526 (or 1566712221524 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 31334244430340 its reverse (4303444243313), we get a palindrome (35637688673653).

The spelling of 31334244430340 in words is "thirty-one trillion, three hundred thirty-four billion, two hundred forty-four million, four hundred thirty thousand, three hundred forty".