31361418320138 has 8 divisors (see below), whose sum is σ = 47047302089760. Its totient is φ = 15678984290220.

The previous prime is 31361418320107. The next prime is 31361418320189. The reversal of 31361418320138 is 83102381416313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862412198 + ... + 862448561.

It is an arithmetic number, because the mean of its divisors is an integer number (5880912761220).

Almost surely, 2^{31361418320138} is an apocalyptic number.

31361418320138 is a deficient number, since it is larger than the sum of its proper divisors (15685883769622).

31361418320138 is a wasteful number, since it uses less digits than its factorization.

31361418320138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724869852.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 31361418320138 in words is "thirty-one trillion, three hundred sixty-one billion, four hundred eighteen million, three hundred twenty thousand, one hundred thirty-eight".