3131451200212 has 12 divisors (see below), whose sum is σ = 5528535526836. Its totient is φ = 1551869621120.

The previous prime is 3131451200191. The next prime is 3131451200221. The reversal of 3131451200212 is 2120021541313.

It can be written as a sum of positive squares in 2 ways, for example, as 1450497461956 + 1680953738256 = 1204366^2 + 1296516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463994239 + ... + 3463995142.

It is an arithmetic number, because the mean of its divisors is an integer number (460711293903).

Almost surely, 2^{3131451200212} is an apocalyptic number.

It is an amenable number.

3131451200212 is a deficient number, since it is larger than the sum of its proper divisors (2397084326624).

3131451200212 is a wasteful number, since it uses less digits than its factorization.

3131451200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927989498 (or 6927989496 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 3131451200212 its reverse (2120021541313), we get a palindrome (5251472741525).

The spelling of 3131451200212 in words is "three trillion, one hundred thirty-one billion, four hundred fifty-one million, two hundred thousand, two hundred twelve".