3131481752 has 16 divisors (see below), whose sum is σ = 6710318160. Its totient is φ = 1342063584.

The previous prime is 3131481739. The next prime is 3131481757. The reversal of 3131481752 is 2571841313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131481757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27959603 + ... + 27959714.

It is an arithmetic number, because the mean of its divisors is an integer number (419394885).

Almost surely, 2^3131481752 is an apocalyptic number.

It is an amenable number.

3131481752 is an abundant number, since it is smaller than the sum of its proper divisors (3578836408).

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

3131481752 is a wasteful number, since it uses less digits than its factorization.

3131481752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55919330 (or 55919326 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 3131481752 is about 55959.6439588388. The cubic root of 3131481752 is about 1463.0189847978.

The spelling of 3131481752 in words is "three billion, one hundred thirty-one million, four hundred eighty-one thousand, seven hundred fifty-two".