30774031 has 4 divisors (see below), whose sum is σ = 31072912. Its totient is φ = 30475152.

The previous prime is 30774001. The next prime is 30774059. The reversal of 30774031 is 13047703.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30774031 - 2⁵ = 30773999 is a prime.

It is a super-2 number, since 2×30774031² = 1894081967977922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30773987 and 30774005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30774001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149286 + ... + 149491.

It is an arithmetic number, because the mean of its divisors is an integer number (7768228).

Almost surely, 2^30774031 is an apocalyptic number.

30774031 is a deficient number, since it is larger than the sum of its proper divisors (298881).

30774031 is a wasteful number, since it uses less digits than its factorization.

30774031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298880.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30774031 is about 5547.4346323323. The cubic root of 30774031 is about 313.3729185187.

The spelling of 30774031 in words is "thirty million, seven hundred seventy-four thousand, thirty-one".