3131133140320 has 24 divisors (see below), whose sum is σ = 7397302044384. Its totient is φ = 1252453256064.

The previous prime is 3131133140309. The next prime is 3131133140329. The reversal of 3131133140320 is 230413311313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131133140329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9784790904 + ... + 9784791223.

It is an arithmetic number, because the mean of its divisors is an integer number (308220918516).

Almost surely, 2^{3131133140320} is an apocalyptic number.

It is an amenable number.

3131133140320 is an abundant number, since it is smaller than the sum of its proper divisors (4266168904064).

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

3131133140320 is a wasteful number, since it uses less digits than its factorization.

3131133140320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19569582142 (or 19569582134 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3131133140320 its reverse (230413311313), we get a palindrome (3361546451633).

The spelling of 3131133140320 in words is "three trillion, one hundred thirty-one billion, one hundred thirty-three million, one hundred forty thousand, three hundred twenty".