31328855198 has 16 divisors (see below), whose sum is σ = 47223124416. Its totient is φ = 15587894400.

The previous prime is 31328855191. The next prime is 31328855219. The reversal of 31328855198 is 89155882313.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31328855191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797723 + ... + 836073.

It is an arithmetic number, because the mean of its divisors is an integer number (2951445276).

Almost surely, 2^31328855198 is an apocalyptic number.

31328855198 is a deficient number, since it is larger than the sum of its proper divisors (15894269218).

31328855198 is a wasteful number, since it uses less digits than its factorization.

31328855198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40339.

The product of its digits is 2073600, while the sum is 53.

The spelling of 31328855198 in words is "thirty-one billion, three hundred twenty-eight million, eight hundred fifty-five thousand, one hundred ninety-eight".