31126410113 has 2 divisors, whose sum is σ = 31126410114. Its totient is φ = 31126410112.

The previous prime is 31126410017. The next prime is 31126410127. The reversal of 31126410113 is 31101462113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30897553729 + 228856384 = 175777^2 + 15128^2 .

It is a cyclic number.

It is not a de Polignac number, because 31126410113 - 2⁸ = 31126409857 is a prime.

It is not a weakly prime, because it can be changed into another prime (31126410313) 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, 15563205056 + 15563205057.

It is an arithmetic number, because the mean of its divisors is an integer number (15563205057).

Almost surely, 2^31126410113 is an apocalyptic number.

It is an amenable number.

31126410113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31126410113 is an equidigital number, since it uses as much as digits as its factorization.

31126410113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 31126410113 its reverse (31101462113), we get a palindrome (62227872226).

The spelling of 31126410113 in words is "thirty-one billion, one hundred twenty-six million, four hundred ten thousand, one hundred thirteen".