7830042031 has 8 divisors (see below), whose sum is σ = 9237284864. Its totient is φ = 6494965560.

The previous prime is 7830042029. The next prime is 7830042037. The reversal of 7830042031 is 1302400387.

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 7830042031 - 2¹ = 7830042029 is a prime.

It is a super-2 number, since 2×7830042031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7830042037) 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, 18041355 + ... + 18041788.

It is an arithmetic number, because the mean of its divisors is an integer number (1154660608).

Almost surely, 2^7830042031 is an apocalyptic number.

7830042031 is a deficient number, since it is larger than the sum of its proper divisors (1407242833).

7830042031 is a wasteful number, since it uses less digits than its factorization.

7830042031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36083181.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7830042031 is about 88487.5247195897. The cubic root of 7830042031 is about 1985.7353375004.

The spelling of 7830042031 in words is "seven billion, eight hundred thirty million, forty-two thousand, thirty-one".