31225544341 has 2 divisors, whose sum is σ = 31225544342. Its totient is φ = 31225544340.

The previous prime is 31225544333. The next prime is 31225544377. The reversal of 31225544341 is 14344552213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22641521841 + 8584022500 = 150471^2 + 92650^2 .

It is a cyclic number.

It is not a de Polignac number, because 31225544341 - 2³ = 31225544333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31225544297 and 31225544306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31225544641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15612772170 + 15612772171.

It is an arithmetic number, because the mean of its divisors is an integer number (15612772171).

Almost surely, 2^31225544341 is an apocalyptic number.

It is an amenable number.

31225544341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31225544341 is an equidigital number, since it uses as much as digits as its factorization.

31225544341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 34.

The spelling of 31225544341 in words is "thirty-one billion, two hundred twenty-five million, five hundred forty-four thousand, three hundred forty-one".