31135079 has 2 divisors, whose sum is σ = 31135080. Its totient is φ = 31135078.

The previous prime is 31135073. The next prime is 31135121. The reversal of 31135079 is 97053113.

It is a weak prime.

It is an emirp because it is prime and its reverse (97053113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31135079 - 2⁸ = 31134823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31135073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15567539 + 15567540.

It is an arithmetic number, because the mean of its divisors is an integer number (15567540).

Almost surely, 2^31135079 is an apocalyptic number.

31135079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31135079 is an equidigital number, since it uses as much as digits as its factorization.

31135079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 31135079 is about 5579.8816295689. The cubic root of 31135079 is about 314.5936778357.

It can be divided in two parts, 3113 and 5079, that added together give a 13-th power (8192 = 2¹³).

The spelling of 31135079 in words is "thirty-one million, one hundred thirty-five thousand, seventy-nine".