30899351 has 12 divisors (see below), whose sum is σ = 36711648. Its totient is φ = 25919712.

The previous prime is 30899321. The next prime is 30899359. The reversal of 30899351 is 15399803.

It is a de Polignac number, because none of the positive numbers 2^k-30899351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30899359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4406 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (3059304).

Almost surely, 2^30899351 is an apocalyptic number.

30899351 is a deficient number, since it is larger than the sum of its proper divisors (5812297).

30899351 is a wasteful number, since it uses less digits than its factorization.

30899351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478 (or 13471 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 30899351 is about 5558.7184674167. The cubic root of 30899351 is about 313.7977215603.

The spelling of 30899351 in words is "thirty million, eight hundred ninety-nine thousand, three hundred fifty-one".