90311113 has 2 divisors, whose sum is σ = 90311114. Its totient is φ = 90311112.

The previous prime is 90311107. The next prime is 90311119. The reversal of 90311113 is 31111309.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (90311107) and next prime (90311119).

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 32353344 = 7613^2 + 5688^2 .

It is a cyclic number.

It is not a de Polignac number, because 90311113 - 2⁹ = 90310601 is a prime.

It is not a weakly prime, because it can be changed into another prime (90311119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45155556 + 45155557.

It is an arithmetic number, because the mean of its divisors is an integer number (45155557).

Almost surely, 2^90311113 is an apocalyptic number.

It is an amenable number.

90311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

90311113 is an equidigital number, since it uses as much as digits as its factorization.

90311113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 90311113 is about 9503.2159293578. The cubic root of 90311113 is about 448.6562597783.

The spelling of 90311113 in words is "ninety million, three hundred eleven thousand, one hundred thirteen".