31014405340 has 24 divisors (see below), whose sum is σ = 65383687152. Its totient is φ = 12357488640.

The previous prime is 31014405281. The next prime is 31014405343. The reversal of 31014405340 is 4350441013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31014405343) 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 7 ways as a sum of consecutive naturals, for example, 3011826 + ... + 3022105.

It is an arithmetic number, because the mean of its divisors is an integer number (2724320298).

Almost surely, 2^31014405340 is an apocalyptic number.

It is an amenable number.

31014405340 is an abundant number, since it is smaller than the sum of its proper divisors (34369281812).

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

31014405340 is a wasteful number, since it uses less digits than its factorization.

31014405340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034197 (or 6034195 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 31014405340 its reverse (4350441013), we get a palindrome (35364846353).

The spelling of 31014405340 in words is "thirty-one billion, fourteen million, four hundred five thousand, three hundred forty".