31606465705432 has 32 divisors (see below), whose sum is σ = 59936063616000. Its totient is φ = 15624020947104.

The previous prime is 31606465705393. The next prime is 31606465705433. The reversal of 31606465705432 is 23450756460613.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31606465705432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31606465705433) 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, 31095682 + ... + 32096017.

It is an arithmetic number, because the mean of its divisors is an integer number (1873001988000).

Almost surely, 2^{31606465705432} is an apocalyptic number.

It is an amenable number.

31606465705432 is a deficient number, since it is larger than the sum of its proper divisors (28329597910568).

31606465705432 is a wasteful number, since it uses less digits than its factorization.

31606465705432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63192415 (or 63192411 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 31606465705432 in words is "thirty-one trillion, six hundred six billion, four hundred sixty-five million, seven hundred five thousand, four hundred thirty-two".