30811077 has 24 divisors (see below), whose sum is σ = 50178240. Its totient is φ = 18671400.

The previous prime is 30811061. The next prime is 30811133. The reversal of 30811077 is 77011803.

It is not a de Polignac number, because 30811077 - 2⁴ = 30811061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30811077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30811057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (2090760).

Almost surely, 2^30811077 is an apocalyptic number.

It is an amenable number.

30811077 is a deficient number, since it is larger than the sum of its proper divisors (19367163).

30811077 is a wasteful number, since it uses less digits than its factorization.

30811077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462 (or 9445 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 30811077 is about 5550.7726489201. The cubic root of 30811077 is about 313.4986149523.

The spelling of 30811077 in words is "thirty million, eight hundred eleven thousand, seventy-seven".