31483496909 has 4 divisors (see below), whose sum is σ = 31483853340. Its totient is φ = 31483140480.

The previous prime is 31483496897. The next prime is 31483496959. The reversal of 31483496909 is 90969438413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11568078025 + 19915418884 = 107555^2 + 141122^2 .

It is a cyclic number.

It is not a de Polignac number, because 31483496909 - 2¹⁶ = 31483431373 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 (31483496959) 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, 64139 + ... + 258999.

It is an arithmetic number, because the mean of its divisors is an integer number (7870963335).

Almost surely, 2^31483496909 is an apocalyptic number.

It is an amenable number.

31483496909 is a deficient number, since it is larger than the sum of its proper divisors (356431).

31483496909 is a wasteful number, since it uses less digits than its factorization.

31483496909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356430.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 31483496909 in words is "thirty-one billion, four hundred eighty-three million, four hundred ninety-six thousand, nine hundred nine".