31326646050 has 192 divisors, whose sum is σ = 99378282240. Its totient is φ = 7107816960.

The previous prime is 31326646009. The next prime is 31326646061. The reversal of 31326646050 is 5064662313.

31326646050 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 6 + 646 + 0 + 5 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31326645996 and 31326646014.

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 in 95 ways as a sum of consecutive naturals, for example, 1282552 + ... + 1306748.

It is an arithmetic number, because the mean of its divisors is an integer number (517595220).

Almost surely, 2^31326646050 is an apocalyptic number.

31326646050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31326646050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49689141120).

31326646050 is an abundant number, since it is smaller than the sum of its proper divisors (68051636190).

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

31326646050 is a wasteful number, since it uses less digits than its factorization.

31326646050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24362 (or 24351 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 31326646050 in words is "thirty-one billion, three hundred twenty-six million, six hundred forty-six thousand, fifty".