93131149 has 2 divisors, whose sum is σ = 93131150. Its totient is φ = 93131148.

The previous prime is 93131147. The next prime is 93131173. The reversal of 93131149 is 94113139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 8649 = 9650^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 93131149 - 2¹ = 93131147 is a prime.

Together with 93131147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 93131149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93131147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46565574 + 46565575.

It is an arithmetic number, because the mean of its divisors is an integer number (46565575).

Almost surely, 2^93131149 is an apocalyptic number.

It is an amenable number.

93131149 is a deficient number, since it is larger than the sum of its proper divisors (1).

93131149 is an equidigital number, since it uses as much as digits as its factorization.

93131149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 31.

The square root of 93131149 is about 9650.4481243101. The cubic root of 93131149 is about 453.2783612096.

The spelling of 93131149 in words is "ninety-three million, one hundred thirty-one thousand, one hundred forty-nine".