31100243398 has 32 divisors (see below), whose sum is σ = 55069728768. Its totient is φ = 12890469600.

The previous prime is 31100243353. The next prime is 31100243407. The reversal of 31100243398 is 89334200113.

It is a congruent number.

It is an unprimeable number.

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, 681411 + ... + 725617.

It is an arithmetic number, because the mean of its divisors is an integer number (1720929024).

Almost surely, 2^31100243398 is an apocalyptic number.

31100243398 is a deficient number, since it is larger than the sum of its proper divisors (23969485370).

31100243398 is a wasteful number, since it uses less digits than its factorization.

31100243398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45868.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 31100243398 in words is "thirty-one billion, one hundred million, two hundred forty-three thousand, three hundred ninety-eight".