31710685401 has 6 divisors (see below), whose sum is σ = 45804323370. Its totient is φ = 21140456928.

The previous prime is 31710685367. The next prime is 31710685459. The reversal of 31710685401 is 10458601713.

31710685401 is a `hidden beast` number, since 3 + 1 + 7 + 106 + 8 + 540 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26822578176 + 4888107225 = 163776^2 + 69915^2 .

It is not a de Polignac number, because 31710685401 - 2⁷ = 31710685273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31710685481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1761704736 + ... + 1761704753.

It is an arithmetic number, because the mean of its divisors is an integer number (7634053895).

Almost surely, 2^31710685401 is an apocalyptic number.

It is an amenable number.

31710685401 is a deficient number, since it is larger than the sum of its proper divisors (14093637969).

31710685401 is a wasteful number, since it uses less digits than its factorization.

31710685401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523409495 (or 3523409492 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 31710685401 in words is "thirty-one billion, seven hundred ten million, six hundred eighty-five thousand, four hundred one".