30945203383147 has 2 divisors, whose sum is σ = 30945203383148. Its totient is φ = 30945203383146.

The previous prime is 30945203383111. The next prime is 30945203383229. The reversal of 30945203383147 is 74138330254903.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30945203383147 - 2⁷ = 30945203383019 is a prime.

It is a super-2 number, since 2×30945203383147² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30945203383094 and 30945203383103.

It is not a weakly prime, because it can be changed into another prime (30945203383247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15472601691573 + 15472601691574.

It is an arithmetic number, because the mean of its divisors is an integer number (15472601691574).

Almost surely, 2^{30945203383147} is an apocalyptic number.

30945203383147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30945203383147 is an equidigital number, since it uses as much as digits as its factorization.

30945203383147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 30945203383147 in words is "thirty trillion, nine hundred forty-five billion, two hundred three million, three hundred eighty-three thousand, one hundred forty-seven".