30340321402 has 4 divisors (see below), whose sum is σ = 45510482106. Its totient is φ = 15170160700.

The previous prime is 30340321331. The next prime is 30340321409. The reversal of 30340321402 is 20412304303.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 26370187321 + 3970134081 = 162389^2 + 63009^2 .

It is not an unprimeable number, because it can be changed into a prime (30340321409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7585080349 + ... + 7585080352.

Almost surely, 2^30340321402 is an apocalyptic number.

30340321402 is a deficient number, since it is larger than the sum of its proper divisors (15170160704).

30340321402 is a wasteful number, since it uses less digits than its factorization.

30340321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170160703.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30340321402 its reverse (20412304303), we get a palindrome (50752625705).

The spelling of 30340321402 in words is "thirty billion, three hundred forty million, three hundred twenty-one thousand, four hundred two".