31013244523 has 2 divisors, whose sum is σ = 31013244524. Its totient is φ = 31013244522.

The previous prime is 31013244481. The next prime is 31013244539. The reversal of 31013244523 is 32544231013.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31013244523 - 2²¹ = 31011147371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31013244491 and 31013244500.

It is not a weakly prime, because it can be changed into another prime (31013244023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506622261 + 15506622262.

It is an arithmetic number, because the mean of its divisors is an integer number (15506622262).

Almost surely, 2^31013244523 is an apocalyptic number.

31013244523 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013244523 is an equidigital number, since it uses as much as digits as its factorization.

31013244523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 31013244523 its reverse (32544231013), we get a palindrome (63557475536).

The spelling of 31013244523 in words is "thirty-one billion, thirteen million, two hundred forty-four thousand, five hundred twenty-three".