31334275540 has 48 divisors (see below), whose sum is σ = 68464705680. Its totient is φ = 12031523840.

The previous prime is 31334275519. The next prime is 31334275541. The reversal of 31334275540 is 4557243313.

It can be written as a sum of positive squares in 8 ways, for example, as 3114979344 + 28219296196 = 55812^2 + 167986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31334275540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31334275541) 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 15 ways as a sum of consecutive naturals, for example, 55801 + ... + 256480.

It is an arithmetic number, because the mean of its divisors is an integer number (1426348035).

Almost surely, 2^31334275540 is an apocalyptic number.

It is an amenable number.

31334275540 is an abundant number, since it is smaller than the sum of its proper divisors (37130430140).

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

31334275540 is a wasteful number, since it uses less digits than its factorization.

31334275540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312492 (or 312490 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 31334275540 in words is "thirty-one billion, three hundred thirty-four million, two hundred seventy-five thousand, five hundred forty".