30540434503 has 2 divisors, whose sum is σ = 30540434504. Its totient is φ = 30540434502.

The previous prime is 30540434437. The next prime is 30540434531. The reversal of 30540434503 is 30543404503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30540434503 - 2²¹ = 30538337351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30540434543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270217251 + 15270217252.

It is an arithmetic number, because the mean of its divisors is an integer number (15270217252).

Almost surely, 2^30540434503 is an apocalyptic number.

30540434503 is a deficient number, since it is larger than the sum of its proper divisors (1).

30540434503 is an equidigital number, since it uses as much as digits as its factorization.

30540434503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 30540434503 in words is "thirty billion, five hundred forty million, four hundred thirty-four thousand, five hundred three".