31463809465 has 8 divisors (see below), whose sum is σ = 41188987008. Its totient is φ = 22882770480.

The previous prime is 31463809387. The next prime is 31463809511. The reversal of 31463809465 is 56490836413.

It is a happy number.

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

It is not a de Polignac number, because 31463809465 - 2⁷ = 31463809337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286034577 + ... + 286034686.

It is an arithmetic number, because the mean of its divisors is an integer number (5148623376).

Almost surely, 2^31463809465 is an apocalyptic number.

It is an amenable number.

31463809465 is a deficient number, since it is larger than the sum of its proper divisors (9725177543).

31463809465 is a wasteful number, since it uses less digits than its factorization.

31463809465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572069279.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 31463809465 in words is "thirty-one billion, four hundred sixty-three million, eight hundred nine thousand, four hundred sixty-five".