31460045663 has 4 divisors (see below), whose sum is σ = 33115837560. Its totient is φ = 29804253768.

The previous prime is 31460045647. The next prime is 31460045689. The reversal of 31460045663 is 36654006413.

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 31460045663 - 2⁴ = 31460045647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31460045693) 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, 827895920 + ... + 827895957.

It is an arithmetic number, because the mean of its divisors is an integer number (8278959390).

Almost surely, 2^31460045663 is an apocalyptic number.

31460045663 is a deficient number, since it is larger than the sum of its proper divisors (1655791897).

31460045663 is a wasteful number, since it uses less digits than its factorization.

31460045663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655791896.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 31460045663 in words is "thirty-one billion, four hundred sixty million, forty-five thousand, six hundred sixty-three".