30642340511 has 4 divisors (see below), whose sum is σ = 31144674024. Its totient is φ = 30140007000.

The previous prime is 30642340493. The next prime is 30642340517. The reversal of 30642340511 is 11504324603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11504324603 = 41 ⋅280593283.

It is a cyclic number.

It is not a de Polignac number, because 30642340511 - 2⁶ = 30642340447 is a prime.

It is a super-2 number, since 2×30642340511² (a number of 22 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 (30642340517) 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 3 ways as a sum of consecutive naturals, for example, 251166665 + ... + 251166786.

It is an arithmetic number, because the mean of its divisors is an integer number (7786168506).

Almost surely, 2^30642340511 is an apocalyptic number.

30642340511 is a deficient number, since it is larger than the sum of its proper divisors (502333513).

30642340511 is an equidigital number, since it uses as much as digits as its factorization.

30642340511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502333512.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 30642340511 in words is "thirty billion, six hundred forty-two million, three hundred forty thousand, five hundred eleven".