30988925106 has 16 divisors (see below), whose sum is σ = 62177139648. Its totient is φ = 10296426800.

The previous prime is 30988925063. The next prime is 30988925113. The reversal of 30988925106 is 60152988903.

It is a happy number.

It is a super-2 number, since 2×30988925106² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8301705 + ... + 8305436.

It is an arithmetic number, because the mean of its divisors is an integer number (3886071228).

Almost surely, 2^30988925106 is an apocalyptic number.

30988925106 is an abundant number, since it is smaller than the sum of its proper divisors (31188214542).

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

30988925106 is a wasteful number, since it uses less digits than its factorization.

30988925106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607457.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 30988925106 in words is "thirty billion, nine hundred eighty-eight million, nine hundred twenty-five thousand, one hundred six".