30703978043 has 8 divisors (see below), whose sum is σ = 31886952768. Its totient is φ = 29542318344.

The previous prime is 30703978037. The next prime is 30703978057. The reversal of 30703978043 is 34087930703.

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 30703978043 - 2³⁰ = 29630236219 is a prime.

It is a super-2 number, since 2×30703978043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30703977985 and 30703978003.

It is not an unprimeable number, because it can be changed into a prime (30703978243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5325821 + ... + 5331582.

It is an arithmetic number, because the mean of its divisors is an integer number (3985869096).

Almost surely, 2^30703978043 is an apocalyptic number.

30703978043 is a deficient number, since it is larger than the sum of its proper divisors (1182974725).

30703978043 is a wasteful number, since it uses less digits than its factorization.

30703978043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657513.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 30703978043 in words is "thirty billion, seven hundred three million, nine hundred seventy-eight thousand, forty-three".