3131231330441 has 2 divisors, whose sum is σ = 3131231330442. Its totient is φ = 3131231330440.

The previous prime is 3131231330429. The next prime is 3131231330477. The reversal of 3131231330441 is 1440331321313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2693389734025 + 437841596416 = 1641155^2 + 661696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131231330441 - 2²² = 3131227136137 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131231330041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565615665220 + 1565615665221.

It is an arithmetic number, because the mean of its divisors is an integer number (1565615665221).

Almost surely, 2^{3131231330441} is an apocalyptic number.

It is an amenable number.

3131231330441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131231330441 is an equidigital number, since it uses as much as digits as its factorization.

3131231330441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 3131231330441 its reverse (1440331321313), we get a palindrome (4571562651754).

The spelling of 3131231330441 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-one million, three hundred thirty thousand, four hundred forty-one".