3131064486 has 72 divisors (see below), whose sum is σ = 7579327392. Its totient is φ = 933213600.

The previous prime is 3131064467. The next prime is 3131064491. The reversal of 3131064486 is 6844601313.

It is a happy number.

3131064486 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 0 + 644 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3131064486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121075 + ... + 144641.

It is an arithmetic number, because the mean of its divisors is an integer number (105268436).

Almost surely, 2^3131064486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131064486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3789663696).

3131064486 is an abundant number, since it is smaller than the sum of its proper divisors (4448262906).

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

3131064486 is a wasteful number, since it uses less digits than its factorization.

3131064486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23658 (or 23644 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 3131064486 is about 55955.9155585895. The cubic root of 3131064486 is about 1462.9540000989.

Adding to 3131064486 its reverse (6844601313), we get a palindrome (9975665799).

The spelling of 3131064486 in words is "three billion, one hundred thirty-one million, sixty-four thousand, four hundred eighty-six".