30523351013 has 2 divisors, whose sum is σ = 30523351014. Its totient is φ = 30523351012.

The previous prime is 30523351003. The next prime is 30523351043. The reversal of 30523351013 is 31015332503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26264091844 + 4259259169 = 162062^2 + 65263^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523351013 - 2⁴ = 30523350997 is a prime.

It is a super-3 number, since 3×30523351013³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30523351003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261675506 + 15261675507.

It is an arithmetic number, because the mean of its divisors is an integer number (15261675507).

Almost surely, 2^30523351013 is an apocalyptic number.

It is an amenable number.

30523351013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523351013 is an equidigital number, since it uses as much as digits as its factorization.

30523351013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 30523351013 its reverse (31015332503), we get a palindrome (61538683516).

The spelling of 30523351013 in words is "thirty billion, five hundred twenty-three million, three hundred fifty-one thousand, thirteen".