31134333040 has 40 divisors (see below), whose sum is σ = 73614239280. Its totient is φ = 12242651136.

The previous prime is 31134333031. The next prime is 31134333067. The reversal of 31134333040 is 4033343113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 31134332996 and 31134333014.

It is a congruent number.

It is an unprimeable number.

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, 3293409 + ... + 3302848.

It is an arithmetic number, because the mean of its divisors is an integer number (1840355982).

Almost surely, 2^31134333040 is an apocalyptic number.

It is an amenable number.

31134333040 is an abundant number, since it is smaller than the sum of its proper divisors (42479906240).

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

31134333040 is a wasteful number, since it uses less digits than its factorization.

31134333040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596329 (or 6596323 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31134333040 its reverse (4033343113), we get a palindrome (35167676153).

The spelling of 31134333040 in words is "thirty-one billion, one hundred thirty-four million, three hundred thirty-three thousand, forty".