30311402336 has 24 divisors (see below), whose sum is σ = 61131077784. Its totient is φ = 14786049280.

The previous prime is 30311402327. The next prime is 30311402369. The reversal of 30311402336 is 63320411303.

It is a happy number.

It is a super-2 number, since 2×30311402336² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 11550290 + ... + 11552913.

It is an arithmetic number, because the mean of its divisors is an integer number (2547128241).

Almost surely, 2^30311402336 is an apocalyptic number.

It is an amenable number.

30311402336 is an abundant number, since it is smaller than the sum of its proper divisors (30819675448).

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

30311402336 is a wasteful number, since it uses less digits than its factorization.

30311402336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103254 (or 23103246 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30311402336 its reverse (63320411303), we get a palindrome (93631813639).

The spelling of 30311402336 in words is "thirty billion, three hundred eleven million, four hundred two thousand, three hundred thirty-six".