30982739423 has 4 divisors (see below), whose sum is σ = 31063634688. Its totient is φ = 30901844160.

The previous prime is 30982739419. The next prime is 30982739429. The reversal of 30982739423 is 32493728903.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30982739423 - 2² = 30982739419 is a prime.

It is a super-3 number, since 3×30982739423³ (a number of 32 digits) contains 333 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 (30982739429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40447058 + ... + 40447823.

It is an arithmetic number, because the mean of its divisors is an integer number (7765908672).

Almost surely, 2^30982739423 is an apocalyptic number.

30982739423 is a deficient number, since it is larger than the sum of its proper divisors (80895265).

30982739423 is an equidigital number, since it uses as much as digits as its factorization.

30982739423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80895264.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 30982739423 in words is "thirty billion, nine hundred eighty-two million, seven hundred thirty-nine thousand, four hundred twenty-three".