31887145716046 has 8 divisors (see below), whose sum is σ = 47831042768760. Its totient is φ = 15943464793128.

The previous prime is 31887145715969. The next prime is 31887145716133. The reversal of 31887145716046 is 64061754178813.

It is a happy number.

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

It is a congruent number.

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, 53663101 + ... + 54254056.

It is an arithmetic number, because the mean of its divisors is an integer number (5978880346095).

Almost surely, 2^{31887145716046} is an apocalyptic number.

31887145716046 is a deficient number, since it is larger than the sum of its proper divisors (15943897052714).

31887145716046 is a wasteful number, since it uses less digits than its factorization.

31887145716046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108064898.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 31887145716046 in words is "thirty-one trillion, eight hundred eighty-seven billion, one hundred forty-five million, seven hundred sixteen thousand, forty-six".