30311053 has 2 divisors, whose sum is σ = 30311054. Its totient is φ = 30311052.

The previous prime is 30311041. The next prime is 30311059. The reversal of 30311053 is 35011303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27478564 + 2832489 = 5242^2 + 1683^2 .

It is a cyclic number.

It is not a de Polignac number, because 30311053 - 2¹³ = 30302861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30311059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155526 + 15155527.

It is an arithmetic number, because the mean of its divisors is an integer number (15155527).

Almost surely, 2^30311053 is an apocalyptic number.

It is an amenable number.

30311053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311053 is an equidigital number, since it uses as much as digits as its factorization.

30311053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 30311053 is about 5505.5474750473. The cubic root of 30311053 is about 311.7934646957.

Adding to 30311053 its reverse (35011303), we get a palindrome (65322356).

The spelling of 30311053 in words is "thirty million, three hundred eleven thousand, fifty-three".