31463809466 has 32 divisors (see below), whose sum is σ = 48540197376. Its totient is φ = 15291360000.

The previous prime is 31463809387. The next prime is 31463809511. The reversal of 31463809466 is 66490836413.

It is a super-2 number, since 2×31463809466² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 3451871 + ... + 3460973.

It is an arithmetic number, because the mean of its divisors is an integer number (1516881168).

Almost surely, 2^31463809466 is an apocalyptic number.

31463809466 is a deficient number, since it is larger than the sum of its proper divisors (17076387910).

31463809466 is a wasteful number, since it uses less digits than its factorization.

31463809466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 31463809466 in words is "thirty-one billion, four hundred sixty-three million, eight hundred nine thousand, four hundred sixty-six".