31680150306 has 32 divisors (see below), whose sum is σ = 72430245888. Its totient is φ = 9049162320.

The previous prime is 31680150269. The next prime is 31680150311. The reversal of 31680150306 is 60305108613.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73911 + ... + 262341.

It is an arithmetic number, because the mean of its divisors is an integer number (2263445184).

Almost surely, 2^31680150306 is an apocalyptic number.

31680150306 is an abundant number, since it is smaller than the sum of its proper divisors (40750095582).

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

31680150306 is a wasteful number, since it uses less digits than its factorization.

31680150306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192446.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 31680150306 its reverse (60305108613), we get a palindrome (91985258919).

The spelling of 31680150306 in words is "thirty-one billion, six hundred eighty million, one hundred fifty thousand, three hundred six".