30234321402 has 16 divisors (see below), whose sum is σ = 60471187392. Its totient is φ = 10077683040.

The previous prime is 30234321343. The next prime is 30234321407. The reversal of 30234321402 is 20412343203.

It is a super-2 number, since 2×30234321402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30234321407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71238 + ... + 256014.

It is an arithmetic number, because the mean of its divisors is an integer number (3779449212).

Almost surely, 2^30234321402 is an apocalyptic number.

30234321402 is an abundant number, since it is smaller than the sum of its proper divisors (30236865990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30234321402 is a wasteful number, since it uses less digits than its factorization.

30234321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212053.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30234321402 its reverse (20412343203), we get a palindrome (50646664605).

The spelling of 30234321402 in words is "thirty billion, two hundred thirty-four million, three hundred twenty-one thousand, four hundred two".