93131147 has 2 divisors, whose sum is σ = 93131148. Its totient is φ = 93131146.

The previous prime is 93131119. The next prime is 93131149. The reversal of 93131147 is 74113139.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93131147 - 2¹⁰ = 93130123 is a prime.

Together with 93131149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93131149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46565573 + 46565574.

It is an arithmetic number, because the mean of its divisors is an integer number (46565574).

Almost surely, 2^93131147 is an apocalyptic number.

93131147 is a deficient number, since it is larger than the sum of its proper divisors (1).

93131147 is an equidigital number, since it uses as much as digits as its factorization.

93131147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 93131147 is about 9650.4480206880. The cubic root of 93131147 is about 453.2783579648.

The spelling of 93131147 in words is "ninety-three million, one hundred thirty-one thousand, one hundred forty-seven".