31713076441 has 4 divisors (see below), whose sum is σ = 31715720500. Its totient is φ = 31710432384.

The previous prime is 31713076399. The next prime is 31713076457. The reversal of 31713076441 is 14467031713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14467031713 = 43759 ⋅330607.

It can be written as a sum of positive squares in 2 ways, for example, as 13830700816 + 17882375625 = 117604^2 + 133725^2 .

It is a cyclic number.

It is not a de Polignac number, because 31713076441 - 2¹³ = 31713068249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31713076441.

It is not an unprimeable number, because it can be changed into a prime (31713076471) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1303956 + ... + 1328053.

It is an arithmetic number, because the mean of its divisors is an integer number (7928930125).

Almost surely, 2^31713076441 is an apocalyptic number.

It is an amenable number.

31713076441 is a deficient number, since it is larger than the sum of its proper divisors (2644059).

31713076441 is a wasteful number, since it uses less digits than its factorization.

31713076441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644058.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 31713076441 in words is "thirty-one billion, seven hundred thirteen million, seventy-six thousand, four hundred forty-one".