3131133011144 has 8 divisors (see below), whose sum is σ = 5870874395910. Its totient is φ = 1565566505568.

The previous prime is 3131133011057. The next prime is 3131133011207. The reversal of 3131133011144 is 4411103311313.

It can be written as a sum of positive squares in only one way, i.e., 1740125063044 + 1391007948100 = 1319138^2 + 1179410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195695813189 + ... + 195695813204.

Almost surely, 2^{3131133011144} is an apocalyptic number.

It is an amenable number.

3131133011144 is a deficient number, since it is larger than the sum of its proper divisors (2739741384766).

3131133011144 is a wasteful number, since it uses less digits than its factorization.

3131133011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391391626399 (or 391391626395 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 3131133011144 its reverse (4411103311313), we get a palindrome (7542236322457).

The spelling of 3131133011144 in words is "three trillion, one hundred thirty-one billion, one hundred thirty-three million, eleven thousand, one hundred forty-four".