31454466647 has 16 divisors (see below), whose sum is σ = 32149742400. Its totient is φ = 30766713600.

The previous prime is 31454466643. The next prime is 31454466709. The reversal of 31454466647 is 74666445413.

It is a cyclic number.

It is not a de Polignac number, because 31454466647 - 2² = 31454466643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31454466595 and 31454466604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454466643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14608523 + ... + 14610675.

It is an arithmetic number, because the mean of its divisors is an integer number (2009358900).

Almost surely, 2^31454466647 is an apocalyptic number.

31454466647 is a deficient number, since it is larger than the sum of its proper divisors (695275753).

31454466647 is a wasteful number, since it uses less digits than its factorization.

31454466647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754.

The product of its digits is 5806080, while the sum is 50.

The spelling of 31454466647 in words is "thirty-one billion, four hundred fifty-four million, four hundred sixty-six thousand, six hundred forty-seven".