3181985350 has 12 divisors (see below), whose sum is σ = 5918492844. Its totient is φ = 1272794120.

The previous prime is 3181985329. The next prime is 3181985351. The reversal of 3181985350 is 535891813.

It is a super-2 number, since 2×3181985350² = 20250061535229245000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3181985297 and 3181985306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181985351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31819804 + ... + 31819903.

It is an arithmetic number, because the mean of its divisors is an integer number (493207737).

Almost surely, 2^3181985350 is an apocalyptic number.

3181985350 is a deficient number, since it is larger than the sum of its proper divisors (2736507494).

3181985350 is a wasteful number, since it uses less digits than its factorization.

3181985350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63639719 (or 63639714 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 3181985350 is about 56409.0892498718. The cubic root of 3181985350 is about 1470.8421216419.

The spelling of 3181985350 in words is "three billion, one hundred eighty-one million, nine hundred eighty-five thousand, three hundred fifty".