31223030341 has 2 divisors, whose sum is σ = 31223030342. Its totient is φ = 31223030340.

The previous prime is 31223030329. The next prime is 31223030411. The reversal of 31223030341 is 14303032213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29636999716 + 1586030625 = 172154^2 + 39825^2 .

It is a cyclic number.

It is not a de Polignac number, because 31223030341 - 2²¹ = 31220933189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31223030941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611515170 + 15611515171.

It is an arithmetic number, because the mean of its divisors is an integer number (15611515171).

Almost surely, 2^31223030341 is an apocalyptic number.

It is an amenable number.

31223030341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31223030341 is an equidigital number, since it uses as much as digits as its factorization.

31223030341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31223030341 its reverse (14303032213), we get a palindrome (45526062554).

The spelling of 31223030341 in words is "thirty-one billion, two hundred twenty-three million, thirty thousand, three hundred forty-one".