31104103427 has 2 divisors, whose sum is σ = 31104103428. Its totient is φ = 31104103426.

The previous prime is 31104103417. The next prime is 31104103441. The reversal of 31104103427 is 72430140113.

It is a weak prime.

It is an emirp because it is prime and its reverse (72430140113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31104103427 - 2⁴ = 31104103411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31104103396 and 31104103405.

It is not a weakly prime, because it can be changed into another prime (31104103417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15552051713 + 15552051714.

It is an arithmetic number, because the mean of its divisors is an integer number (15552051714).

Almost surely, 2^31104103427 is an apocalyptic number.

31104103427 is a deficient number, since it is larger than the sum of its proper divisors (1).

31104103427 is an equidigital number, since it uses as much as digits as its factorization.

31104103427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 31104103427 in words is "thirty-one billion, one hundred four million, one hundred three thousand, four hundred twenty-seven".