31342196866 has 16 divisors (see below), whose sum is σ = 48949476408. Its totient is φ = 15038236800.

The previous prime is 31342196779. The next prime is 31342196869. The reversal of 31342196866 is 66869124313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20913498225 + 10428698641 = 144615^2 + 102121^2 .

It is not an unprimeable number, because it can be changed into a prime (31342196869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3127965 + ... + 3137968.

Almost surely, 2^31342196866 is an apocalyptic number.

31342196866 is a deficient number, since it is larger than the sum of its proper divisors (17607279542).

31342196866 is a wasteful number, since it uses less digits than its factorization.

31342196866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266037.

The product of its digits is 1119744, while the sum is 49.

The spelling of 31342196866 in words is "thirty-one billion, three hundred forty-two million, one hundred ninety-six thousand, eight hundred sixty-six".