3131242035144 has 64 divisors (see below), whose sum is σ = 8462816356800. Its totient is φ = 962088585984.

The previous prime is 3131242035143. The next prime is 3131242035179. The reversal of 3131242035144 is 4415302421313.

It is a super-2 number, since 2×3131242035144² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131242035143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92777167 + ... + 92810910.

It is an arithmetic number, because the mean of its divisors is an integer number (132231505575).

Almost surely, 2^{3131242035144} is an apocalyptic number.

It is an amenable number.

3131242035144 is an abundant number, since it is smaller than the sum of its proper divisors (5331574321656).

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

3131242035144 is a wasteful number, since it uses less digits than its factorization.

3131242035144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185588142 (or 185588138 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 3131242035144 its reverse (4415302421313), we get a palindrome (7546544456457).

The spelling of 3131242035144 in words is "three trillion, one hundred thirty-one billion, two hundred forty-two million, thirty-five thousand, one hundred forty-four".