31432364660 has 12 divisors (see below), whose sum is σ = 66007965828. Its totient is φ = 12572945856.

The previous prime is 31432364651. The next prime is 31432364671. The reversal of 31432364660 is 6646323413.

It can be written as a sum of positive squares in 2 ways, for example, as 12143599204 + 19288765456 = 110198^2 + 138884^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 785809097 + ... + 785809136.

It is an arithmetic number, because the mean of its divisors is an integer number (5500663819).

Almost surely, 2^31432364660 is an apocalyptic number.

It is an amenable number.

31432364660 is an abundant number, since it is smaller than the sum of its proper divisors (34575601168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31432364660 is a wasteful number, since it uses less digits than its factorization.

31432364660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571618242 (or 1571618240 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 31432364660 in words is "thirty-one billion, four hundred thirty-two million, three hundred sixty-four thousand, six hundred sixty".