31849214500 has 24 divisors (see below), whose sum is σ = 69558685560. Its totient is φ = 12739685600.

The previous prime is 31849214489. The next prime is 31849214503. The reversal of 31849214500 is 541294813.

It can be written as a sum of positive squares in 4 ways, for example, as 4577334336 + 27271880164 = 67656^2 + 165142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31849214500.

It is not an unprimeable number, because it can be changed into a prime (31849214503) 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, 31848715 + ... + 31849714.

It is an arithmetic number, because the mean of its divisors is an integer number (2898278565).

Almost surely, 2^31849214500 is an apocalyptic number.

It is an amenable number.

31849214500 is an abundant number, since it is smaller than the sum of its proper divisors (37709471060).

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

31849214500 is a wasteful number, since it uses less digits than its factorization.

31849214500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63698448 (or 63698436 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 31849214500 in words is "thirty-one billion, eight hundred forty-nine million, two hundred fourteen thousand, five hundred".