31484482809 has 32 divisors (see below), whose sum is σ = 47249704320. Its totient is φ = 18514040832.

The previous prime is 31484482789. The next prime is 31484482847. The reversal of 31484482809 is 90828448413.

It is a de Polignac number, because none of the positive numbers 2^k-31484482809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31484482879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33787 + ... + 253200.

It is an arithmetic number, because the mean of its divisors is an integer number (1476553260).

Almost surely, 2^31484482809 is an apocalyptic number.

31484482809 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

31484482809 is a deficient number, since it is larger than the sum of its proper divisors (15765221511).

31484482809 is a wasteful number, since it uses less digits than its factorization.

31484482809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287129.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 31484482809 in words is "thirty-one billion, four hundred eighty-four million, four hundred eighty-two thousand, eight hundred nine".