31347770466 has 48 divisors (see below), whose sum is σ = 69496213824. Its totient is φ = 9406991616.

The previous prime is 31347770417. The next prime is 31347770471. The reversal of 31347770466 is 66407774313.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353125 + ... + 432888.

It is an arithmetic number, because the mean of its divisors is an integer number (1447837788).

Almost surely, 2^31347770466 is an apocalyptic number.

31347770466 is an abundant number, since it is smaller than the sum of its proper divisors (38148443358).

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

31347770466 is a wasteful number, since it uses less digits than its factorization.

31347770466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786075 (or 786058 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 48.

The spelling of 31347770466 in words is "thirty-one billion, three hundred forty-seven million, seven hundred seventy thousand, four hundred sixty-six".