30355102 has 4 divisors (see below), whose sum is σ = 45532656. Its totient is φ = 15177550.

The previous prime is 30355069. The next prime is 30355109. The reversal of 30355102 is 20155303.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30355102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30355109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7588774 + ... + 7588777.

It is an arithmetic number, because the mean of its divisors is an integer number (11383164).

Almost surely, 2^30355102 is an apocalyptic number.

30355102 is a deficient number, since it is larger than the sum of its proper divisors (15177554).

30355102 is a wasteful number, since it uses less digits than its factorization.

30355102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15177553.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30355102 is about 5509.5464423127. The cubic root of 30355102 is about 311.9444276981.

The spelling of 30355102 in words is "thirty million, three hundred fifty-five thousand, one hundred two".