31123003607 has 2 divisors, whose sum is σ = 31123003608. Its totient is φ = 31123003606.

The previous prime is 31123003577. The next prime is 31123003621. The reversal of 31123003607 is 70630032113.

It is a strong prime.

It is an emirp because it is prime and its reverse (70630032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31123003607 - 2¹⁰ = 31123002583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31123003627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561501803 + 15561501804.

It is an arithmetic number, because the mean of its divisors is an integer number (15561501804).

Almost surely, 2^31123003607 is an apocalyptic number.

31123003607 is a deficient number, since it is larger than the sum of its proper divisors (1).

31123003607 is an equidigital number, since it uses as much as digits as its factorization.

31123003607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The spelling of 31123003607 in words is "thirty-one billion, one hundred twenty-three million, three thousand, six hundred seven".