30120311102 has 64 divisors (see below), whose sum is σ = 55312481664. Its totient is φ = 12007526400.

The previous prime is 30120311063. The next prime is 30120311113. The reversal of 30120311102 is 20111302103.

It is a super-3 number, since 3×30120311102³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24830648 + ... + 24831860.

It is an arithmetic number, because the mean of its divisors is an integer number (864257526).

Almost surely, 2^30120311102 is an apocalyptic number.

30120311102 is a deficient number, since it is larger than the sum of its proper divisors (25192170562).

30120311102 is a wasteful number, since it uses less digits than its factorization.

30120311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30120311102 its reverse (20111302103), we get a palindrome (50231613205).

The spelling of 30120311102 in words is "thirty billion, one hundred twenty million, three hundred eleven thousand, one hundred two".