31048740101 has 2 divisors, whose sum is σ = 31048740102. Its totient is φ = 31048740100.

The previous prime is 31048740067. The next prime is 31048740103. The reversal of 31048740101 is 10104784013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28637439076 + 2411301025 = 169226^2 + 49105^2 .

It is an emirp because it is prime and its reverse (10104784013) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31048740101 is a prime.

Together with 31048740103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31048740103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15524370050 + 15524370051.

It is an arithmetic number, because the mean of its divisors is an integer number (15524370051).

Almost surely, 2^31048740101 is an apocalyptic number.

It is an amenable number.

31048740101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31048740101 is an equidigital number, since it uses as much as digits as its factorization.

31048740101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 31048740101 in words is "thirty-one billion, forty-eight million, seven hundred forty thousand, one hundred one".