3131032542 has 96 divisors (see below), whose sum is σ = 7021467936. Its totient is φ = 929955840.

The previous prime is 3131032523. The next prime is 3131032547. The reversal of 3131032542 is 2452301313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131032547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12182878 + ... + 12183134.

It is an arithmetic number, because the mean of its divisors is an integer number (73140291).

Almost surely, 2^3131032542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131032542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510733968).

3131032542 is an abundant number, since it is smaller than the sum of its proper divisors (3890435394).

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

3131032542 is a wasteful number, since it uses less digits than its factorization.

3131032542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3131032542 is about 55955.6301188719. The cubic root of 3131032542 is about 1462.9490249260.

Adding to 3131032542 its reverse (2452301313), we get a palindrome (5583333855).

The spelling of 3131032542 in words is "three billion, one hundred thirty-one million, thirty-two thousand, five hundred forty-two".