31532241523 has 2 divisors, whose sum is σ = 31532241524. Its totient is φ = 31532241522.

The previous prime is 31532241487. The next prime is 31532241547. The reversal of 31532241523 is 32514223513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31532241523 - 2¹⁷ = 31532110451 is a prime.

It is not a weakly prime, because it can be changed into another prime (31532241553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15766120761 + 15766120762.

It is an arithmetic number, because the mean of its divisors is an integer number (15766120762).

Almost surely, 2^31532241523 is an apocalyptic number.

31532241523 is a deficient number, since it is larger than the sum of its proper divisors (1).

31532241523 is an equidigital number, since it uses as much as digits as its factorization.

31532241523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The spelling of 31532241523 in words is "thirty-one billion, five hundred thirty-two million, two hundred forty-one thousand, five hundred twenty-three".