30790142991283 has 4 divisors (see below), whose sum is σ = 33158615529088. Its totient is φ = 28421670453480.

The previous prime is 30790142991269. The next prime is 30790142991317. The reversal of 30790142991283 is 38219924109703.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30790142991283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30790142991583) 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, 1184236268883 + ... + 1184236268908.

It is an arithmetic number, because the mean of its divisors is an integer number (8289653882272).

Almost surely, 2^{30790142991283} is an apocalyptic number.

30790142991283 is a deficient number, since it is larger than the sum of its proper divisors (2368472537805).

30790142991283 is a wasteful number, since it uses less digits than its factorization.

30790142991283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368472537804.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 30790142991283 in words is "thirty trillion, seven hundred ninety billion, one hundred forty-two million, nine hundred ninety-one thousand, two hundred eighty-three".