30013431321091 has 2 divisors, whose sum is σ = 30013431321092. Its totient is φ = 30013431321090.

The previous prime is 30013431321089. The next prime is 30013431321131. The reversal of 30013431321091 is 19012313431003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30013431321091 - 2¹ = 30013431321089 is a prime.

Together with 30013431321089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30013431321061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006715660545 + 15006715660546.

It is an arithmetic number, because the mean of its divisors is an integer number (15006715660546).

Almost surely, 2^{30013431321091} is an apocalyptic number.

30013431321091 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013431321091 is an equidigital number, since it uses as much as digits as its factorization.

30013431321091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

Adding to 30013431321091 its reverse (19012313431003), we get a palindrome (49025744752094).

The spelling of 30013431321091 in words is "thirty trillion, thirteen billion, four hundred thirty-one million, three hundred twenty-one thousand, ninety-one".