30311240402 has 8 divisors (see below), whose sum is σ = 45471034800. Its totient is φ = 15154228804.

The previous prime is 30311240389. The next prime is 30311240413. The reversal of 30311240402 is 20404211303.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 668252 + ... + 712167.

It is an arithmetic number, because the mean of its divisors is an integer number (5683879350).

Almost surely, 2^30311240402 is an apocalyptic number.

30311240402 is a deficient number, since it is larger than the sum of its proper divisors (15159794398).

30311240402 is a wasteful number, since it uses less digits than its factorization.

30311240402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391400.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30311240402 its reverse (20404211303), we get a palindrome (50715451705).

The spelling of 30311240402 in words is "thirty billion, three hundred eleven million, two hundred forty thousand, four hundred two".