3181230045 has 80 divisors (see below), whose sum is σ = 6542456448. Its totient is φ = 1448668800.

The previous prime is 3181230037. The next prime is 3181230053. The reversal of 3181230045 is 5400321813.

It is a happy number.

3181230045 is a `hidden beast` number, since 318 + 1 + 2 + 300 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (3181230037) and next prime (3181230053).

It is not a de Polignac number, because 3181230045 - 2³ = 3181230037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 783270 + ... + 787320.

Almost surely, 2^3181230045 is an apocalyptic number.

3181230045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3181230045 is an abundant number, since it is smaller than the sum of its proper divisors (3361226403).

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

3181230045 is a wasteful number, since it uses less digits than its factorization.

3181230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3181230045 is about 56402.3939651501. The cubic root of 3181230045 is about 1470.7257349422.

Adding to 3181230045 its reverse (5400321813), we get a palindrome (8581551858).

The spelling of 3181230045 in words is "three billion, one hundred eighty-one million, two hundred thirty thousand, forty-five".