31608154148 has 6 divisors (see below), whose sum is σ = 55314269766. Its totient is φ = 15804077072.

The previous prime is 31608154139. The next prime is 31608154153. The reversal of 31608154148 is 84145180613.

It can be written as a sum of positive squares in only one way, i.e., 31553127424 + 55026724 = 177632^2 + 7418^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3951019265 + ... + 3951019272.

It is an arithmetic number, because the mean of its divisors is an integer number (9219044961).

Almost surely, 2^31608154148 is an apocalyptic number.

It is an amenable number.

31608154148 is a deficient number, since it is larger than the sum of its proper divisors (23706115618).

31608154148 is a wasteful number, since it uses less digits than its factorization.

31608154148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902038541 (or 7902038539 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 31608154148 in words is "thirty-one billion, six hundred eight million, one hundred fifty-four thousand, one hundred forty-eight".