31122423463 has 2 divisors, whose sum is σ = 31122423464. Its totient is φ = 31122423462.

The previous prime is 31122423403. The next prime is 31122423467. The reversal of 31122423463 is 36432422113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31122423463 - 2¹³ = 31122415271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31122423467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561211731 + 15561211732.

It is an arithmetic number, because the mean of its divisors is an integer number (15561211732).

Almost surely, 2^31122423463 is an apocalyptic number.

31122423463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31122423463 is an equidigital number, since it uses as much as digits as its factorization.

31122423463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

Adding to 31122423463 its reverse (36432422113), we get a palindrome (67554845576).

The spelling of 31122423463 in words is "thirty-one billion, one hundred twenty-two million, four hundred twenty-three thousand, four hundred sixty-three".