31446488634671 has 4 divisors (see below), whose sum is σ = 34305260328744. Its totient is φ = 28587716940600.

The previous prime is 31446488634641. The next prime is 31446488634761. The reversal of 31446488634671 is 17643688464413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31446488634671 - 2⁶ = 31446488634607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31446488634598 and 31446488634607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31446488634641) 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, 1429385847020 + ... + 1429385847041.

It is an arithmetic number, because the mean of its divisors is an integer number (8576315082186).

Almost surely, 2^{31446488634671} is an apocalyptic number.

31446488634671 is a deficient number, since it is larger than the sum of its proper divisors (2858771694073).

31446488634671 is a wasteful number, since it uses less digits than its factorization.

31446488634671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858771694072.

The product of its digits is 222953472, while the sum is 65.

The spelling of 31446488634671 in words is "thirty-one trillion, four hundred forty-six billion, four hundred eighty-eight million, six hundred thirty-four thousand, six hundred seventy-one".