30421400451313 has 4 divisors (see below), whose sum is σ = 30763213939620. Its totient is φ = 30079586963008.

The previous prime is 30421400451287. The next prime is 30421400451319. The reversal of 30421400451313 is 31315400412403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4733613921969 + 25687786529344 = 2175687^2 + 5068312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30421400451313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30421400451319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170906744020 + ... + 170906744197.

It is an arithmetic number, because the mean of its divisors is an integer number (7690803484905).

Almost surely, 2^{30421400451313} is an apocalyptic number.

It is an amenable number.

30421400451313 is a deficient number, since it is larger than the sum of its proper divisors (341813488307).

30421400451313 is an equidigital number, since it uses as much as digits as its factorization.

30421400451313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341813488306.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 30421400451313 its reverse (31315400412403), we get a palindrome (61736800863716).

The spelling of 30421400451313 in words is "thirty trillion, four hundred twenty-one billion, four hundred million, four hundred fifty-one thousand, three hundred thirteen".