30021031319 has 2 divisors, whose sum is σ = 30021031320. Its totient is φ = 30021031318.

The previous prime is 30021031297. The next prime is 30021031363. The reversal of 30021031319 is 91313012003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30021031319 - 2²⁴ = 30004254103 is a prime.

It is a super-2 number, since 2×30021031319² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30021031294 and 30021031303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30021031379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010515659 + 15010515660.

It is an arithmetic number, because the mean of its divisors is an integer number (15010515660).

Almost surely, 2^30021031319 is an apocalyptic number.

30021031319 is a deficient number, since it is larger than the sum of its proper divisors (1).

30021031319 is an equidigital number, since it uses as much as digits as its factorization.

30021031319 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 30021031319 in words is "thirty billion, twenty-one million, thirty-one thousand, three hundred nineteen".