30621107 has 12 divisors (see below), whose sum is σ = 34074600. Its totient is φ = 27492960.

The previous prime is 30621083. The next prime is 30621113. The reversal of 30621107 is 70112603.

It is a happy number.

It is not a de Polignac number, because 30621107 - 2²⁴ = 13843891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30621167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8519 + ... + 11567.

It is an arithmetic number, because the mean of its divisors is an integer number (2839550).

Almost surely, 2^30621107 is an apocalyptic number.

30621107 is a deficient number, since it is larger than the sum of its proper divisors (3453493).

30621107 is a wasteful number, since it uses less digits than its factorization.

30621107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3143 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 30621107 is about 5533.6341584893. The cubic root of 30621107 is about 312.8529797069.

The spelling of 30621107 in words is "thirty million, six hundred twenty-one thousand, one hundred seven".