31325606104123 has 2 divisors, whose sum is σ = 31325606104124. Its totient is φ = 31325606104122.

The previous prime is 31325606104109. The next prime is 31325606104141. The reversal of 31325606104123 is 32140160652313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31325606104123 is a prime.

It is a super-4 number, since 4×31325606104123⁴ (a number of 55 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (31325606104223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662803052061 + 15662803052062.

It is an arithmetic number, because the mean of its divisors is an integer number (15662803052062).

Almost surely, 2^{31325606104123} is an apocalyptic number.

31325606104123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31325606104123 is an equidigital number, since it uses as much as digits as its factorization.

31325606104123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 31325606104123 its reverse (32140160652313), we get a palindrome (63465766756436).

The spelling of 31325606104123 in words is "thirty-one trillion, three hundred twenty-five billion, six hundred six million, one hundred four thousand, one hundred twenty-three".