30513421351 has 8 divisors (see below), whose sum is σ = 34943508864. Its totient is φ = 26101090680.

The previous prime is 30513421321. The next prime is 30513421381. The reversal of 30513421351 is 15312431503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30513421321) and next prime (30513421381).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30513421351 - 2³¹ = 28365937703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30513421321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435525 + ... + 4442398.

It is an arithmetic number, because the mean of its divisors is an integer number (4367938608).

Almost surely, 2^30513421351 is an apocalyptic number.

30513421351 is a deficient number, since it is larger than the sum of its proper divisors (4430087513).

30513421351 is an equidigital number, since it uses as much as digits as its factorization.

30513421351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878421.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 30513421351 its reverse (15312431503), we get a palindrome (45825852854).

The spelling of 30513421351 in words is "thirty billion, five hundred thirteen million, four hundred twenty-one thousand, three hundred fifty-one".