93071213 has 4 divisors (see below), whose sum is σ = 93293760. Its totient is φ = 92848668.

The previous prime is 93071201. The next prime is 93071227. The reversal of 93071213 is 31217039.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31217039 = 7 ⋅4459577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93071213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93071113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110645 + ... + 111482.

It is an arithmetic number, because the mean of its divisors is an integer number (23323440).

Almost surely, 2^93071213 is an apocalyptic number.

It is an amenable number.

93071213 is a deficient number, since it is larger than the sum of its proper divisors (222547).

93071213 is a wasteful number, since it uses less digits than its factorization.

93071213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222546.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 93071213 is about 9647.3422765029. The cubic root of 93071213 is about 453.1811022284.

The spelling of 93071213 in words is "ninety-three million, seventy-one thousand, two hundred thirteen".