31381712006 has 8 divisors (see below), whose sum is σ = 47073324144. Its totient is φ = 15690603960.

The previous prime is 31381711979. The next prime is 31381712009. The reversal of 31381712006 is 60021718313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31381712009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154511 + ... + 294341.

It is an arithmetic number, because the mean of its divisors is an integer number (5884165518).

Almost surely, 2^31381712006 is an apocalyptic number.

31381712006 is a deficient number, since it is larger than the sum of its proper divisors (15691612138).

31381712006 is a wasteful number, since it uses less digits than its factorization.

31381712006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252046.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 31381712006 in words is "thirty-one billion, three hundred eighty-one million, seven hundred twelve thousand, six".