30970042493843 has 4 divisors (see below), whose sum is σ = 31081847701680. Its totient is φ = 30858237286008.

The previous prime is 30970042493837. The next prime is 30970042493879. The reversal of 30970042493843 is 34839424007903.

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 30970042493843 - 2⁴ = 30970042493827 is a prime.

It is a super-2 number, since 2×30970042493843² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30970042499843) 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, 55902603503 + ... + 55902604056.

It is an arithmetic number, because the mean of its divisors is an integer number (7770461925420).

Almost surely, 2^{30970042493843} is an apocalyptic number.

30970042493843 is a deficient number, since it is larger than the sum of its proper divisors (111805207837).

30970042493843 is a wasteful number, since it uses less digits than its factorization.

30970042493843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111805207836.

The product of its (nonzero) digits is 15676416, while the sum is 56.

The spelling of 30970042493843 in words is "thirty trillion, nine hundred seventy billion, forty-two million, four hundred ninety-three thousand, eight hundred forty-three".