3181249488 has 40 divisors (see below), whose sum is σ = 8248587136. Its totient is φ = 1056499200.

The previous prime is 3181249483. The next prime is 3181249507. The reversal of 3181249488 is 8849421813.

It is a happy number.

3181249488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181249483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109273 + ... + 135288.

Almost surely, 2^3181249488 is an apocalyptic number.

It is an amenable number.

3181249488 is an abundant number, since it is smaller than the sum of its proper divisors (5067337648).

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

3181249488 is a wasteful number, since it uses less digits than its factorization.

3181249488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244843 (or 244837 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 3181249488 is about 56402.5663245920. The cubic root of 3181249488 is about 1470.7287311901.

The spelling of 3181249488 in words is "three billion, one hundred eighty-one million, two hundred forty-nine thousand, four hundred eighty-eight".