31230093 has 8 divisors (see below), whose sum is σ = 41796000. Its totient is φ = 20742128.

The previous prime is 31230079. The next prime is 31230163. The reversal of 31230093 is 39003213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31230093 - 2⁴ = 31230077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31220093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18543 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (5224500).

Almost surely, 2^31230093 is an apocalyptic number.

It is an amenable number.

31230093 is a deficient number, since it is larger than the sum of its proper divisors (10565907).

31230093 is a wasteful number, since it uses less digits than its factorization.

31230093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38971.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 31230093 is about 5588.3891238889. The cubic root of 31230093 is about 314.9133649377.

It can be divided in two parts, 3 and 1230093, that added together give a triangular number (1230096 = T₁₅₆₈).

The spelling of 31230093 in words is "thirty-one million, two hundred thirty thousand, ninety-three".