30699130 has 32 divisors (see below), whose sum is σ = 68895360. Its totient is φ = 9568320.

The previous prime is 30699113. The next prime is 30699157. The reversal of 30699130 is 3199603.

It is a junction number, because it is equal to n+sod(n) for n = 30699092 and 30699101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19165 + ... + 20704.

It is an arithmetic number, because the mean of its divisors is an integer number (2152980).

Almost surely, 2^30699130 is an apocalyptic number.

30699130 is an abundant number, since it is smaller than the sum of its proper divisors (38196230).

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

30699130 is a wasteful number, since it uses less digits than its factorization.

30699130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39894.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 30699130 is about 5540.6795612091. The cubic root of 30699130 is about 313.1184722339.

The spelling of 30699130 in words is "thirty million, six hundred ninety-nine thousand, one hundred thirty".