30102013391 has 2 divisors, whose sum is σ = 30102013392. Its totient is φ = 30102013390.

The previous prime is 30102013379. The next prime is 30102013453. The reversal of 30102013391 is 19331020103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30102013391 is a prime.

It is a super-2 number, since 2×30102013391² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30102013091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051006695 + 15051006696.

It is an arithmetic number, because the mean of its divisors is an integer number (15051006696).

Almost surely, 2^30102013391 is an apocalyptic number.

30102013391 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102013391 is an equidigital number, since it uses as much as digits as its factorization.

30102013391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 30102013391 its reverse (19331020103), we get a palindrome (49433033494).

The spelling of 30102013391 in words is "thirty billion, one hundred two million, thirteen thousand, three hundred ninety-one".