3161712040 has 16 divisors (see below), whose sum is σ = 7113852180. Its totient is φ = 1264684800.

The previous prime is 3161712023. The next prime is 3161712061. The reversal of 3161712040 is 402171613.

It can be written as a sum of positive squares in 2 ways, for example, as 2922267364 + 239444676 = 54058^2 + 15474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3161711996 and 3161712014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39521361 + ... + 39521440.

Almost surely, 2^3161712040 is an apocalyptic number.

It is an amenable number.

3161712040 is an abundant number, since it is smaller than the sum of its proper divisors (3952140140).

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

3161712040 is a wasteful number, since it uses less digits than its factorization.

3161712040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79042812 (or 79042808 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 3161712040 is about 56229.1031406335. The cubic root of 3161712040 is about 1467.7117498620.

Adding to 3161712040 its reverse (402171613), we get a palindrome (3563883653).

The spelling of 3161712040 in words is "three billion, one hundred sixty-one million, seven hundred twelve thousand, forty".