930000031 has 4 divisors (see below), whose sum is σ = 960000064. Its totient is φ = 900000000.

The previous prime is 930000017. The next prime is 930000041. The reversal of 930000031 is 130000039.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a 8-Lehmer number, since φ(930000031) divides (930000031-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 930000031 - 2¹¹ = 929997983 is a prime.

It is a super-2 number, since 2×930000031² = 1729800115320001922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930000041) 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, 14999970 + ... + 15000031.

It is an arithmetic number, because the mean of its divisors is an integer number (240000016).

Almost surely, 2^930000031 is an apocalyptic number.

930000031 is a deficient number, since it is larger than the sum of its proper divisors (30000033).

930000031 is a wasteful number, since it uses less digits than its factorization.

930000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30000032.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 930000031 is about 30495.9018722188. The cubic root of 930000031 is about 976.1000185141.

The spelling of 930000031 in words is "nine hundred thirty million, thirty-one", and thus it is an aban number.