30780920144117 has 16 divisors (see below), whose sum is σ = 36163715138880. Its totient is φ = 25829060457600.

The previous prime is 30780920144069. The next prime is 30780920144131. The reversal of 30780920144117 is 71144102908703.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30780920144117 - 2¹² = 30780920140021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30780920144167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075859 + ... + 7919552.

It is an arithmetic number, because the mean of its divisors is an integer number (2260232196180).

Almost surely, 2^{30780920144117} is an apocalyptic number.

It is an amenable number.

30780920144117 is a deficient number, since it is larger than the sum of its proper divisors (5382794994763).

30780920144117 is a wasteful number, since it uses less digits than its factorization.

30780920144117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019364.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 30780920144117 in words is "thirty trillion, seven hundred eighty billion, nine hundred twenty million, one hundred forty-four thousand, one hundred seventeen".