30503442111031 has 2 divisors, whose sum is σ = 30503442111032. Its totient is φ = 30503442111030.

The previous prime is 30503442111019. The next prime is 30503442111049. The reversal of 30503442111031 is 13011124430503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30503442111031 - 2¹¹ = 30503442108983 is a prime.

It is a super-2 number, since 2×30503442111031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30503442111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251721055515 + 15251721055516.

It is an arithmetic number, because the mean of its divisors is an integer number (15251721055516).

Almost surely, 2^{30503442111031} is an apocalyptic number.

30503442111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30503442111031 is an equidigital number, since it uses as much as digits as its factorization.

30503442111031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 30503442111031 its reverse (13011124430503), we get a palindrome (43514566541534).

The spelling of 30503442111031 in words is "thirty trillion, five hundred three billion, four hundred forty-two million, one hundred eleven thousand, thirty-one".