31132421212441 has 2 divisors, whose sum is σ = 31132421212442. Its totient is φ = 31132421212440.

The previous prime is 31132421212349. The next prime is 31132421212447. The reversal of 31132421212441 is 14421212423113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21994974414400 + 9137446798041 = 4689880^2 + 3022821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31132421212441 is a prime.

It is not a weakly prime, because it can be changed into another prime (31132421212447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566210606220 + 15566210606221.

It is an arithmetic number, because the mean of its divisors is an integer number (15566210606221).

Almost surely, 2^{31132421212441} is an apocalyptic number.

It is an amenable number.

31132421212441 is a deficient number, since it is larger than the sum of its proper divisors (1).

31132421212441 is an equidigital number, since it uses as much as digits as its factorization.

31132421212441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

Adding to 31132421212441 its reverse (14421212423113), we get a palindrome (45553633635554).

The spelling of 31132421212441 in words is "thirty-one trillion, one hundred thirty-two billion, four hundred twenty-one million, two hundred twelve thousand, four hundred forty-one".