31460031523 has 2 divisors, whose sum is σ = 31460031524. Its totient is φ = 31460031522.

The previous prime is 31460031457. The next prime is 31460031529. The reversal of 31460031523 is 32513006413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31460031523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31460031491 and 31460031500.

It is not a weakly prime, because it can be changed into another prime (31460031529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730015761 + 15730015762.

It is an arithmetic number, because the mean of its divisors is an integer number (15730015762).

Almost surely, 2^31460031523 is an apocalyptic number.

31460031523 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460031523 is an equidigital number, since it uses as much as digits as its factorization.

31460031523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31460031523 its reverse (32513006413), we get a palindrome (63973037936).

The spelling of 31460031523 in words is "thirty-one billion, four hundred sixty million, thirty-one thousand, five hundred twenty-three".