31028683073 has 2 divisors, whose sum is σ = 31028683074. Its totient is φ = 31028683072.

The previous prime is 31028683061. The next prime is 31028683093. The reversal of 31028683073 is 37038682013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30950661184 + 78021889 = 175928^2 + 8833^2 .

It is an emirp because it is prime and its reverse (37038682013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31028683073 - 2⁴ = 31028683057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31028683073.

It is not a weakly prime, because it can be changed into another prime (31028683093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15514341536 + 15514341537.

It is an arithmetic number, because the mean of its divisors is an integer number (15514341537).

Almost surely, 2^31028683073 is an apocalyptic number.

It is an amenable number.

31028683073 is a deficient number, since it is larger than the sum of its proper divisors (1).

31028683073 is an equidigital number, since it uses as much as digits as its factorization.

31028683073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 31028683073 in words is "thirty-one billion, twenty-eight million, six hundred eighty-three thousand, seventy-three".